C++ 教程目录

分支语句和逻辑运算符

or.cpp

来源: 分支语句和逻辑运算符

点击上方按钮打开代码编辑器和可视化视图

⚠️ 交互式运行提示

为了防止网页挂起,所有 cin 输入语句已被自动注释。请直接在代码编辑器中修改变量的值来进行测试。

书本配套例题

原始代码预览

// or.cpp -- using the logical OR operator
#include <iostream>
int main()
{
    using namespace std;
    cout << "This program may reformat your hard disk\n"
            "and destroy all your data.\n"
            "Do you wish to continue? <y/n> ";
    char ch;
    cin >> ch;
    if (ch == 'y' || ch == 'Y')             // y or Y
        cout << "You were warned!\a\a\n";
    else if (ch == 'n' || ch == 'N')        // n or N
        cout << "A wise choice ... bye\n";
    else
        cout << "That wasn't a y or n! Apparently you "
                "can't follow\ninstructions, so "
                "I'll trash your disk anyway.\a\a\a\n";
	// cin.get();
	// cin.get();
    return 0;
}
C++ Playground
运行结果 / 调试信息
等待编译...
Graph loading...
0 / 0