c:if not eq_C ++'not_eq'关键字和示例

水深无声 2023-03-05 12:43 12阅读 0赞

c:if not eq

**"not\_eq"** is an inbuilt keyword that has been around since at least C++98. It is an alternative to != (**NOT EQUAL TO**) operator and it mostly uses with the conditions.

**“ not\_eq”**是一个内置关键字，至少从C ++ 98起就存在。 它是！= ( **NOT EQUAL TO** )运算符的替代方法，它通常与条件一起使用。

The **not\_eq keyword** returns 1 if *operand\_1* is not equal to the *operand\_1*, and it returns 0 if *operand\_1* is equal to the *operand\_2*.

所述**NOT\_EQ关键字**返回1，如果是*operand\_1*不等于*operand\_1，*并且如果*operand\_1*等于*operand\_2*它返回0。

**Syntax:**

**句法：**

operand_1 not_eq operand 2;

Here, operand\_1 and operand\_2 are the operands.

在这里，操作数\_1和操作数\_2是操作数。

**Example:**

**例：**

Input:
        a = 10;
        b = 20;
        
        result = a not_eq b;
    
        Output:
        result = 1

## C ++示例演示“ not\_eq”关键字的用法 **(**C++ example to demonstrate the use of "not\_eq" keyword**)** ##

// C++ example to demonstrate the use of 
    // 'not_eq' operator.
    
    #include <iostream>
    using namespace std;
    
    int main()
    {
        
        int a = 10;
        int b = 20;
    
        cout << "a: " << a << endl;
        cout << "b: " << b << endl;
    
        if (a not_eq b)
            cout << a << " is not equal to " << b << endl;
        else
            cout << a << " is equal to " << b << endl;
    
        a = 20;
        b = 20;
    
        cout << "a: " << a << endl;
        cout << "b: " << b << endl;
    
        if (a not_eq b)
            cout << a << " is not equal to " << b << endl;
        else
            cout << a << " is equal to " << b << endl;
    
        return 0;
    }

**Output:**

**输出：**

a: 10
    b: 20
    10 is not equal to 20
    a: 20
    b: 20
    20 is equal to 20

> 翻译自: [https://www.includehelp.com/cpp-tutorial/not\_eq-keyword-with-example.aspx][https_www.includehelp.com_cpp-tutorial_not_eq-keyword-with-example.aspx]

c:if not eq

[https_www.includehelp.com_cpp-tutorial_not_eq-keyword-with-example.aspx]: https://www.includehelp.com/cpp-tutorial/not_eq-keyword-with-example.aspx