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		<h1>&#91;C++&#93;. Biến Và Từ Khóa</h1>
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			<li>Thứ sáu - 21/02/2025 03:07</li>
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			Trong bài học trước bạn đã học về kiểu dữ liệu trong C++, bài học này bạn sẽ học cách khai báo biến để lưu trữ giá trị trong bài toán của mình
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			<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span data-mce-style="color: rgb(53, 152, 219); font-size: 14pt;" style="font-size:14pt"><span style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">1. Khai Báo Biến</strong></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);">Biến&nbsp;</span></span>(<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);">variable</span></span>) được sử dụng để lưu trữ giá trị cho bài toán của các bạn, ví dụ khi bài toán cho bạn chiều dài, chiều rộng của một hình chữ nhật bạn có thể khai báo 2 biến tương ứng để lưu lại giá trị này. Hầu như mọi chương trình của các bạn đều sử dụng đến các biến&nbsp;</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">Để hiển thị giá trị của biến ra màn hình bạn sử dụng cout tương tự như in ra giá trị của đoạn text mà đã học ở bài trước.</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span data-mce-style="color: rgb(224, 62, 45);" style="box-sizing:border-box"><span style="color:rgb(224, 62, 45);"><strong style="box-sizing:border-box; font-weight:bolder">Các chú ý khi khai báo biến :&nbsp;</strong></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<ul style="box-sizing:border-box; margin-bottom:10px; color:rgb(82, 87, 92); font-family:&#039;Be Vietnam Pro&#039;, sans-serif; font-size:15px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-indent:0px; text-transform:none; widows:2; word-spacing:0px; -webkit-text-stroke-width:0px; white-space:normal; text-decoration-thickness:initial; text-decoration-style:initial; text-decoration-color:initial">
	<li style="box-sizing:border-box">Kiểu dữ liệu của biến đó là gì ? Ví dụ :<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);">&nbsp;<strong style="box-sizing:border-box; font-weight:bolder">int</strong></span></span>,<strong style="box-sizing:border-box; font-weight:bolder">&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);">long long</span></span></strong>,&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">float</strong></span></span>,&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">double</strong></span></span>...</li>
	<li style="box-sizing:border-box">Tên biến mà bạn muốn đặt cho nó là gì ? Ví dụ : chuVi, dienTich, salary, point...</li>
	<li style="box-sizing:border-box">Giá trị mà bạn muốn khởi tạo cho nó là gì?</li>
	<li style="box-sizing:border-box">Nếu bạn khai báo biến mà không khởi tạo giá trị thì nó sẽ có giá trị ngẫu nhiên</li>
</ul>
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">Cú pháp đặt tên biến :&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">&#91;Kiểu dữ liệu&#93; &#91;Tên biến&#93;</strong></span></span>;&nbsp;</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);">Ví dụ 1</span></span>&nbsp;: Khai báo biến và khởi tạo</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<pre>
<code class="language-cpp">#include &lt;iostream&gt;

using namespace std;

int main(){
    int a = 28;
    long long b = 282828282828282;
    float c = 3.8912;
    double d = 10.8912781;
    char kitu = &#039;@&#039;;
    bool check = true;
    cout &lt;&lt; &quot;Gia tri cua a : &quot; &lt;&lt; a &lt;&lt; endl;
    cout &lt;&lt; &quot;Gia tri cua b : &quot; &lt;&lt; b &lt;&lt; endl;
    cout &lt;&lt; &quot;Gia tri cua c : &quot; &lt;&lt; c &lt;&lt; endl;
    cout &lt;&lt; &quot;Gia tri cua d : &quot; &lt;&lt; d &lt;&lt; endl;
    cout &lt;&lt; &quot;Gia tri cua kitu : &quot; &lt;&lt; kitu &lt;&lt; endl;
    cout &lt;&lt; &quot;Gia tri cua check : &quot; &lt;&lt; check &lt;&lt; endl;
}</code></pre>
<br  />
<span style="color:rgb(231, 76, 60);">Output :&nbsp;</span><br  />
&nbsp;
<pre>
<code>Gia tri cua a : 28
Gia tri cua b : 282828282828282
Gia tri cua c : 3.8912
Gia tri cua d : 10.8913
Gia tri cua kitu : @
Gia tri cua check : 1</code></pre>
<br  />
Ví dụ 2 : Bạn có thể khai báo các biến có cùng kiểu dữ liệu ở trên cùng 1 dòng<br  />
&nbsp;
<pre>
<code class="language-cpp">#include &lt;iostream&gt;

using namespace std;

int main(){
    int a = 10, b = 20, c = 30;
    char x = &#039;@&#039;, y = &#039;#&#039;, z = &#039;$&#039;;
    cout &lt;&lt; a &lt;&lt; &#039; &#039; &lt;&lt; b &lt;&lt; &#039; &#039; &lt;&lt; c &lt;&lt; endl;
    cout &lt;&lt; x &lt;&lt; &#039; &#039; &lt;&lt; y &lt;&lt; &#039; &#039; &lt;&lt; z &lt;&lt; endl;
    return 0;
}</code></pre>
<br  />
<span style="color:rgb(231, 76, 60);">Output :&nbsp;</span><br  />
&nbsp;
<pre>
<code>10 20 30
@ # $</code></pre>
<br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span data-mce-style="color: rgb(53, 152, 219); font-size: 14pt;" style="font-size:14pt"><span style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">2. Các Quy Tắc Đặt Tên Biến</strong></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">C++ cũng như các ngôn ngữ lập trình khác cung cấp cho bạn bộ quy tắc để đặt tên biến sao cho hợp lệ, bạn có thể đặt tên biến Tiếng Anh, Tiếng Việt không dấu hay dài ngắn tùy bạn. Tuy nhiên nên đặt tên biến ngắn gọn, xúc tích và có thể hiện được ý nghĩa giá trị mà nó đang lưu trữ.</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">Các quy tắc :&nbsp;</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<table border="1" data-mce-style="border-collapse: collapse; width: 100.019%;" style="-webkit-text-stroke-width:0px;border-collapse:collapse;box-sizing:border-box;color:rgb(82, 87, 92);font-family:&#039;Be Vietnam Pro&#039;,sans-serif;font-size:15px;font-style:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-weight:400;letter-spacing:normal;max-width:100%;orphans:2;text-align:start;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-transform:none;white-space:normal;widows:2;width:870px;word-spacing:0px;">
	<colgroup style="box-sizing:border-box">
		<col data-mce-style="width: 49.9972%;" style="box-sizing:border-box; width:434.5px">
		<col data-mce-style="width: 49.9972%;" style="box-sizing:border-box; width:434.5px">
	</colgroup>
	<tbody style="box-sizing:border-box">
		<tr>
			<td><span style="box-sizing:border-box"><span data-mce-style="color: rgb(53, 152, 219);" style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">Quy tắc</strong></span></span></span></td>
			<td><span style="box-sizing:border-box"><span data-mce-style="color: rgb(53, 152, 219);" style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">Ví dụ về cách đặt tên biến sai</strong></span></span></span></td>
		</tr>
		<tr>
			<td><span style="box-sizing:border-box">Tên biến không được bắt đầu bằng chữ số</span></td>
			<td><span style="box-sizing:border-box">28tech, 29tech, 300bankinh...</span></td>
		</tr>
		<tr>
			<td><span style="box-sizing:border-box">Tên biến không được chứa dấu cách hoặc các ký tự đặc biệt</span></td>
			<td><span style="box-sizing:border-box">ban kinh, ban#kinh, ban$kinh...</span></td>
		</tr>
		<tr>
			<td><span style="box-sizing:border-box">Tên biến không được trùng với các keyword có sẵn trong C++</span></td>
			<td><span style="box-sizing:border-box">using, int, char, cout....</span></td>
		</tr>
		<tr>
			<td><span style="box-sizing:border-box">Không được đặt 2 biến cùng tên, kể cả chúng khác kiểu dữ liệu</span></td>
			<td><span style="box-sizing:border-box">int a; float a;</span></td>
		</tr>
		<tr>
			<td><span style="box-sizing:border-box">Tên biến trong C có phân biệt chữ hoa và chữ thường</span></td>
			<td><span style="box-sizing:border-box">tech28 và Tech28 là 2 biến khác nhau</span></td>
		</tr>
	</tbody>
</table>
<br style="box-sizing:border-box" />
<br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">Khi đặt tên biến nên đặt có ý nghĩa và tránh đặt tên biến quá dài, trong C++ thì không có quy chuẩn về cách đặt tên biến nào cả, bạn có thể lựa chọn đặt tên biến theo cách viết hoa chữ cái đầu của từng từ ví dụ&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">BanKinh</strong></span></span>,&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">ChuVi</strong></span></span>,&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">DienTich</strong></span></span>,&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">ChieuRong</strong></span></span>, hoặc các từ viết cách nhau một dấu gạch dưới ví dụ&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">ban_kinh</strong></span></span>,&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">chu_vi</strong></span></span>,&nbsp;<span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);"><strong style="box-sizing:border-box; font-weight:bolder">dien_tich</strong></span></span>...&nbsp;</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<hr style="box-sizing:content-box; height:0px; overflow:visible; margin-top:20px; margin-bottom:20px; border-width:1px 0px 0px; border-right-style:initial; border-bottom-style:initial; border-left-style:initial; border-right-color:initial; border-bottom-color:initial; border-left-color:initial; border-image:initial; border-top-style:solid; border-top-color:rgb(225, 225, 225); color:rgb(82, 87, 92); font-family:&#039;Be Vietnam Pro&#039;, sans-serif; font-size:15px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-indent:0px; text-transform:none; widows:2; word-spacing:0px; -webkit-text-stroke-width:0px; white-space:normal; text-decoration-thickness:initial; text-decoration-style:initial; text-decoration-color:initial" /><span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span data-mce-style="color: rgb(53, 152, 219); font-size: 14pt;" style="font-size:14pt"><span style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">3. Keywords</strong></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span data-mce-style="color: rgb(230, 126, 35);" style="box-sizing:border-box"><span style="color:rgb(230, 126, 35);">Keywords&nbsp;</span></span>- Từ khóa được định nghĩa sẵn trong ngôn ngữ lập trình C++, bạn sẽ gặp rất nhiều từ khóa như : cout, cin, int, float, using, for, while, try...&nbsp;</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">Ngày trước khi mình bắt đầu học lập trình thì mình cũng cố gắng học thuộc các keywords này nhưng sau rồi mới thấy việc học thuộc là không cần thiết, vì khi bạn học các kiến thức mới thì tự khắc bạn sẽ bắt gặp những từ khóa ở phần kiến thức đó</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br  />
<span style="font-size:15px"><span style="box-sizing:border-box"><span style="color:rgb(82, 87, 92);"><span style="font-family:&#039;Be Vietnam Pro&#039;, sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-variant-caps:normal"><span style="font-weight:400"><span style="letter-spacing:normal"><span style="orphans:2"><span style="text-transform:none"><span style="widows:2"><span style="word-spacing:0px"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">Bảng sau liệt kê các từ khóa trong ngôn ngữ lập trình C++</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

<table border="1" data-mce-style="border-collapse: collapse; width: 100.019%; height: 42.5568px;" style="-webkit-text-stroke-width:0px;border-collapse:collapse;box-sizing:border-box;color:rgb(82, 87, 92);font-family:&#039;Be Vietnam Pro&#039;,sans-serif;font-size:15px;font-style:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-weight:400;height:42.5568px;letter-spacing:normal;max-width:100%;orphans:2;text-align:start;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-transform:none;white-space:normal;widows:2;width:870px;word-spacing:0px;">
	<colgroup style="box-sizing:border-box">
		<col data-mce-style="width: 33.3333%;" style="box-sizing:border-box; width:289.664px">
		<col data-mce-style="width: 33.3333%;" style="box-sizing:border-box; width:289.664px">
		<col data-mce-style="width: 33.3333%;" style="box-sizing:border-box; width:289.672px">
	</colgroup>
	<tbody style="box-sizing:border-box">
		<tr>
			<td data-mce-style="height: 21.2784px;" style="height:21.2784px"><span style="box-sizing:border-box"><span data-mce-style="color: rgb(53, 152, 219);" style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">A-C</strong></span></span></span></td>
			<td data-mce-style="height: 21.2784px;" style="height:21.2784px"><span style="box-sizing:border-box"><span data-mce-style="color: rgb(53, 152, 219);" style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">D-P</strong></span></span></span></td>
			<td data-mce-style="height: 21.2784px;" style="height:21.2784px"><span style="box-sizing:border-box"><span data-mce-style="color: rgb(53, 152, 219);" style="box-sizing:border-box"><span style="color:rgb(53, 152, 219);"><strong style="box-sizing:border-box; font-weight:bolder">R-Z</strong></span></span></span></td>
		</tr>
		<tr>
			<td data-mce-style="height: 21.2784px;" style="height:21.2784px"><span style="box-sizing:border-box">alignas (C++11)<br style="box-sizing:border-box" />
			alignof (C++11)<br style="box-sizing:border-box" />
			and<br style="box-sizing:border-box" />
			and_eq<br style="box-sizing:border-box" />
			asm<br style="box-sizing:border-box" />
			atomic_cancel&nbsp;<br style="box-sizing:border-box" />
			atomic_commit&nbsp;<br style="box-sizing:border-box" />
			atomic_noexcept&nbsp;<br style="box-sizing:border-box" />
			auto&nbsp;<br style="box-sizing:border-box" />
			bitand<br style="box-sizing:border-box" />
			bitor<br style="box-sizing:border-box" />
			bool<br style="box-sizing:border-box" />
			break<br style="box-sizing:border-box" />
			case<br style="box-sizing:border-box" />
			catch<br style="box-sizing:border-box" />
			char<br style="box-sizing:border-box" />
			char8_t (C++20)<br style="box-sizing:border-box" />
			char16_t (C++11)<br style="box-sizing:border-box" />
			char32_t (C++11)<br style="box-sizing:border-box" />
			class<br style="box-sizing:border-box" />
			compl<br style="box-sizing:border-box" />
			concept (C++20)<br style="box-sizing:border-box" />
			const<br style="box-sizing:border-box" />
			consteval (C++20)<br style="box-sizing:border-box" />
			constexpr (C++11)<br style="box-sizing:border-box" />
			constinit (C++20)<br style="box-sizing:border-box" />
			const_cast<br style="box-sizing:border-box" />
			continue<br style="box-sizing:border-box" />
			co_await (C++20)<br style="box-sizing:border-box" />
			co_return (C++20)<br style="box-sizing:border-box" />
			co_yield (C++20)</span></td>
			<td data-mce-style="height: 21.2784px;" style="height:21.2784px"><span style="box-sizing:border-box">ecltype (C++11)<br style="box-sizing:border-box" />
			default<br style="box-sizing:border-box" />
			delete<br style="box-sizing:border-box" />
			do<br style="box-sizing:border-box" />
			double<br style="box-sizing:border-box" />
			dynamic_cast<br style="box-sizing:border-box" />
			else<br style="box-sizing:border-box" />
			enum&nbsp;<br style="box-sizing:border-box" />
			explicit<br style="box-sizing:border-box" />
			export&nbsp;<br style="box-sizing:border-box" />
			extern&nbsp;<br style="box-sizing:border-box" />
			false<br style="box-sizing:border-box" />
			float<br style="box-sizing:border-box" />
			for&nbsp;<br style="box-sizing:border-box" />
			friend<br style="box-sizing:border-box" />
			goto<br style="box-sizing:border-box" />
			if&nbsp;<br style="box-sizing:border-box" />
			inline&nbsp;<br style="box-sizing:border-box" />
			int<br style="box-sizing:border-box" />
			long<br style="box-sizing:border-box" />
			mutable&nbsp;<br style="box-sizing:border-box" />
			namespace<br style="box-sizing:border-box" />
			new<br style="box-sizing:border-box" />
			noexcept (C++11)<br style="box-sizing:border-box" />
			not<br style="box-sizing:border-box" />
			not_eq<br style="box-sizing:border-box" />
			nullptr (C++11)<br style="box-sizing:border-box" />
			operator&nbsp;<br style="box-sizing:border-box" />
			or<br style="box-sizing:border-box" />
			or_eq<br style="box-sizing:border-box" />
			private&nbsp;<br style="box-sizing:border-box" />
			protected<br style="box-sizing:border-box" />
			public</span></td>
			<td data-mce-style="height: 21.2784px;" style="height:21.2784px"><span style="box-sizing:border-box">reflexpr (reflection TS)<br style="box-sizing:border-box" />
			register (2)<br style="box-sizing:border-box" />
			reinterpret_cast<br style="box-sizing:border-box" />
			requires (C++20)<br style="box-sizing:border-box" />
			return<br style="box-sizing:border-box" />
			short<br style="box-sizing:border-box" />
			signed<br style="box-sizing:border-box" />
			sizeof (1)<br style="box-sizing:border-box" />
			static<br style="box-sizing:border-box" />
			static_assert (C++11)<br style="box-sizing:border-box" />
			static_cast<br style="box-sizing:border-box" />
			struct (1)<br style="box-sizing:border-box" />
			switch<br style="box-sizing:border-box" />
			synchronized (TM TS)<br style="box-sizing:border-box" />
			template<br style="box-sizing:border-box" />
			this (4)<br style="box-sizing:border-box" />
			thread_local (C++11)<br style="box-sizing:border-box" />
			throw<br style="box-sizing:border-box" />
			true<br style="box-sizing:border-box" />
			try<br style="box-sizing:border-box" />
			typedef<br style="box-sizing:border-box" />
			typeid<br style="box-sizing:border-box" />
			typename<br style="box-sizing:border-box" />
			union<br style="box-sizing:border-box" />
			unsigned<br style="box-sizing:border-box" />
			using (1)<br style="box-sizing:border-box" />
			virtual<br style="box-sizing:border-box" />
			void<br style="box-sizing:border-box" />
			volatile<br style="box-sizing:border-box" />
			wchar_t<br style="box-sizing:border-box" />
			while<br style="box-sizing:border-box" />
			xor<br style="box-sizing:border-box" />
			xor_eq</span></td>
		</tr>
	</tbody>
</table>
&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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