c++ cdi+示例

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

“ not”是一個內置關鍵字，至少從C ++ 98起就存在。 它是替代！ ( 邏輯非 )運算符，它通常與條件一起使用。

The not keyword returns 1 if the result of the given condition is 0, and it returns 0 if the result of the given condition is 1.

如果給定條件的結果為0，則not關鍵字返回1；如果給定條件的結果為1，則not返回0。

Syntax:

句法：

not operand;

Here, operand is the operand.

在此， 操作數是操作數。

Example:

例：

Input:a = 10;b = 20;result = not(a < b);Output:result = 1

C ++示例演示“ not”關鍵字的用法 (C++ example to demonstrate the use of "not" keyword)

// C++ example to demonstrate the use of // 'not' operator.#include <iostream> using namespace std;int main() {int num = 20;if (not(num >= 10 and num <= 50))cout << "true\n";elsecout << "false\n";if (not(num >= 20 and num <= 50))cout << "true\n";elsecout << "false\n";if (not(num > 50 and num <= 100))cout << "true\n";elsecout << "false\n";return 0; }

Output:

輸出：

false false true

翻譯自: https://www.includehelp.com/cpp-tutorial/not-keyword-with-example.aspx

c++ cdi+示例

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