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		<h1>&#91;C++&#93;. Kiểu Dữ Liệu Suy Luận Auto Trong C++</h1>
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			<li>Thứ hai - 31/03/2025 22:23</li>
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			Từ khóa auto trong C++ giúp bạn có thể suy luận ra kiểu dữ liệu tương ứng phù hợp với một biến thông qua giá trị mà biến được gán. Từ C++11 trở về sau thì ta có sử dụng kiểu auto để thay cho các kiểu dữ liệu phức tạp trong C++
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			<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">1. Từ Khóa auto&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Từ khóa auto</span></span></span></b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">&nbsp;hay mình tạm gọi là kiểu auto là một tính năng mới từ C++11 tới các phiên bản mới hơn sau này, trước C++11 thì ngôn ngữ lập trình C++ khi khai báo biến bạn phải chỉ ra kiểu dữ liệu tương ứng của biến đó.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Từ khóa auto giúp tự suy luận ra kiểu dữ liệu phù hợp với biến thông qua giá trị bạn gán cho biến đó, đặc điểm này khá giống với các ngôn ngữ lập trình Dynamically Typed Languages như Python.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Nếu bạn đã từng học qua Python thì khi khai báo biến bạn không cần khai báo kiểu dữ liệu cho biến mà kiểu dữ liệu sẽ được tự động xác định dựa vào giá trị mà biến được khởi tạo</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Sử dụng từ khóa auto, kiểu dữ liệu của biến sẽ được xác định lúc runtime thay vì compile-time như trước.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Ví dụ 1:&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;iostream&gt;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;typeinfo&quot;</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">using</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">namespace</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> std</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">int</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">main</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> x </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">100</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> y </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">30.5f</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> z </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&#039;@&#039;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> t </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">1000000000000000</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> p </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">make_pair</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">10</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">20</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">);</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> l </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">30.5</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">d</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Kieu du lieu cua x : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">x</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Kieu du lieu cua y : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">y</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Kieu du lieu cua z : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">z</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Kieu du lieu cua t : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">t</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Kieu du lieu cua p : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">p</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Kieu du lieu cua l : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">l</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">return</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">0</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(230, 126, 35);">Output&nbsp;</span></span></span><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">:&nbsp;</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Kieu du lieu cua x </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> i</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Kieu du lieu cua y </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> f</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Kieu du lieu cua z </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> c</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Kieu du lieu cua t </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> x</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Kieu du lieu cua p </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> St4pairIiiE</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Kieu du lieu cua l </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> d</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Giải thích :&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Ở đây mình sử dụng toán tử&nbsp;</span></span></span><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">typeid()&nbsp;</span></span></span></b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">để có thể lấy về kiểu dữ liệu cho biến</span></span></span></span></span></span>
<ul>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">Biến x được gán giá trị 30 nên có kiểu là integer (i)</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">Biến y được gán giá trị 30.5f nên có kiểu là float (f)</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">Biến z được gán giá trị &#039;@&#039; nên có kiểu là char(c)</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">Biến t được gán giá trị 1000000000000000 nên có kiểu là long long (x)</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">Biến p được gán giá trị là một pair(10, 20) nên có kiểu là pair (St4pairIiiE)</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">Biến l được gán giá trị là 30.5d nên có kiểu là double (d)&nbsp;</span></span></span></span></span></span></span></li>
</ul>
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(224, 62, 45);">Chú ý</span></span></span></b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">&nbsp;: Bạn không thể khai báo biến có kiểu auto mà không khởi tạo giá trị cho nó&nbsp;</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Thông thường mình chỉ dùng auto để thay cho các kiểu dữ liệu dài dòng như : pair, iterator, con trỏ... Nếu bạn chưa biết kiến thức về iterator và con trỏ thì có thể tạm thời bỏ qua ví dụ này nhé.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Ví dụ 2 :&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;iostream&gt;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;typeinfo&quot;</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">using</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">namespace</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> std</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">int</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">main</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> p </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">make_pair</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">10</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">20</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">);</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> p</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">first </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&#039; &#039;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> p</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">second </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">int</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> n </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">100</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> ptr1 </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&amp;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">n</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;ptr1 la kieu con tro : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">ptr1</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> ptr2 </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&amp;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">ptr1</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;ptr2 la kieu con tro cap 2 : &quot;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">typeid</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">ptr2</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">).</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">name</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">return</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">0</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(230, 126, 35);">Output&nbsp;</span></span></span><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">:&nbsp;</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">10</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">20</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">ptr1 la kieu con tro </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> Pi</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">ptr2 la kieu con tro cap </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">2</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> PPi</span></span></span></span></span></span></span></span>

<div align="center" style="margin-top:20px; margin-bottom:20px; text-align:center">
<hr align="center" noshade="noshade" size="0" style="color:rgb(82, 87, 92);" width="100%" /></div>
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">2. Auto Và Vector&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Kiến thức về&nbsp;</span></span></span><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">vector&nbsp;</span></span></span></b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">nếu bạn chưa học có thể bỏ qua phần này và khi học xong vector có thể tiếp tục tham khảo.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Thông thường để duyệt qua vector bạn có thể dùng iterator, tuy nhiên đôi khi việc khai báo iterator quá dài dòng nên bạn có thể thay nó bằng kiểu auto</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Ví dụ :&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;iostream&gt;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;vector&gt;</span></span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">using</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">namespace</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> std</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">int</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">main</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; vector</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">int</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&gt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> v </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">{</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">1</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">2</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">3</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">4</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">5</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">};</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Duyet vector bang range-based for loop : \n&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> x </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> v</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> x </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&#039; &#039;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Duyet vector bang iterator : \n&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> it </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> v</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">begin</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">();</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> it </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">!=</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> v</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">end</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">();</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">++</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">it</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">*</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">it </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&#039; &#039;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">return</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">0</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(230, 126, 35);">Output&nbsp;</span></span></span><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">:&nbsp;</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Duyet vector bang range</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">-</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">based </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> loop </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">1</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">2</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">3</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">4</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">5</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Duyet vector bang iterator </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">1</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">2</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">3</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">4</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">5</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Giải thích :&nbsp;</span></span></span></b></span></span></span>

<ul>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">auto x khi dùng trong range-based for loop thì x đóng vai trò là int</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">auto it = v.begin() thì it đóng vai trò là iterator nên khi truy xuất giá trị trong vector bạn cần giải tham chiếu&nbsp;</span></span></span></span></span></span></span></li>
</ul>

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<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">3. Auto Và Set&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Kiến thức về&nbsp;</span></span></span><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">set&nbsp;</span></span></span></b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">nếu bạn chưa học có thể bỏ qua phần này và khi học xong vector có thể tiếp tục tham khảo.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Trong ví dụ này mình sẽ dùng kiểu auto để thay cho iterator, string... khi áp dụng với set&nbsp;</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Ví dụ :&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;iostream&gt;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;set&gt;</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">using</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">namespace</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> std</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">int</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">main</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; set</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">string</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&gt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> se </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">{</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;28tech&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;c++&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;python&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;c++&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;java&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">};</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Duyet set bang range-based for loop : \n&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> x </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> se</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> x </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot; &quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> pos </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> se</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">find</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;28tech&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">);</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">if</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">pos </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">==</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> se</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">end</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">()){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;NOT FOUND&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">else</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">{</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;FOUND\n&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(230, 126, 35);">Output&nbsp;</span></span></span><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">:&nbsp;</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Duyet set bang range</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">-</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">based </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> loop </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">28</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">tech c</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">++</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> java python </span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">FOUND</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Giải thích :&nbsp;</span></span></span></b></span></span></span>

<ul>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">auto x khi duyệt set thì x có kiểu dữ liệu là string</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">auto pos = se.find(&quot;28tech&quot;) được gán giá trị trả về của hàm find nên pos có kiểu là set::iterator&nbsp;</span></span></span></span></span></span></span></li>
</ul>

<div align="center" style="margin-top:20px; margin-bottom:20px; text-align:center">
<hr align="center" noshade="noshade" size="0" style="color:rgb(82, 87, 92);" width="100%" /></div>
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">4. Auto Và Map</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">Kiến thức về&nbsp;</span></span></span><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">map&nbsp;</span></span></span></b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">nếu bạn chưa học có thể bỏ qua phần này và khi học xong vector có thể tiếp tục tham khảo.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Ví dụ :&nbsp;</span></span></span></b></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;iostream&gt;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">#</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">include</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&lt;map&gt;</span></span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">using</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">namespace</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> std</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">int</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">main</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; map</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">string</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> string</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&gt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> mp</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; mp</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">insert</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">({</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;28tech&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;28tech.com.vn&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">});</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; mp</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">insert</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">({</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Meta&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;facebook.com&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">});</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; mp</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">insert</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">({</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;X&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">,</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;twitter.com&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">});</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Duyet map bang range-based for loop : \n&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> p </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> mp</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> p</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">first </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&#039; &#039;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> p</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">second </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&quot;Duyet map bang iterator : \n&quot;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">(</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">auto</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> it </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">=</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> mp</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">begin</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">();</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> it </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">!=</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> mp</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(221, 74, 104);">end</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">();</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">++</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">it</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">){</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cout </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> it</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">-&gt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">first </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(102, 153, 0);">&#039; &#039;</span></span></span> <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> it</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">-&gt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> second </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">&lt;&lt;</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> endl</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">;</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif">&nbsp;&nbsp; <span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">}</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(230, 126, 35);">Output&nbsp;</span></span></span><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(82, 87, 92);">:&nbsp;</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Duyet map bang range</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">-</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">based </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(0, 119, 170);">for</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black"> loop </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">28</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">tech </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">28</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">tech</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">com</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">vn</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Meta facebook</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">com</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">X twitter</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">com</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Duyet map bang iterator </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(154, 110, 58);">:</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">28</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">tech </span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 0, 85);">28</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">tech</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">com</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">vn</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">Meta facebook</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">com</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:rgb(245, 242, 240);"><span style="line-height:normal"><span style="tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">X twitter</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:rgb(153, 153, 153);">.</span></span></span><span style="font-size:11.5pt"><span style="font-family:Consolas"><span style="color:black">com</span></span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:rgb(53, 152, 219);">Giải thích :&nbsp;</span></span></span></b></span></span></span>

<ul>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">auto p thì p có kiểu dữ liệu là pair&nbsp;</span></span></span></span></span></span></span></li>
	<li style="margin-bottom:11px"><span style="font-size:11pt"><span style="color:rgb(82, 87, 92);"><span style="line-height:normal"><span style="tab-stops:list .5in"><span style="font-family:Calibri,sans-serif"><span style="font-size:11.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif">auto it = mp.begin() thì it có kiểu dữ liệu là map::iterator&nbsp;</span></span></span></span></span></span></span></li>
</ul>
&nbsp;

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						<p>
				<strong>Tác giả bài viết:</strong>
				Thanh Sơn
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				<strong>Nguồn tin:</strong>
				blog.28tech.com.vn
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