C++ 教程目录

循环和关系表达式

textin1.cpp

来源: 循环和关系表达式

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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。

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原始代码预览

// textin1.cpp -- reading chars with a while loop
#include <iostream>
int main()
{
    using namespace std;
    char ch;
    int count = 0;      // use basic input
    cout << "Enter characters; enter # to quit:\n";
    cin >> ch;          // get a character
    while (ch != '#')   // test the character
    {
        cout << ch;     // echo the character
        ++count;        // count the character
        cin >> ch;      // get the next character
    }
    cout << endl << count << " characters read\n";
// get rid of rest of line
     // while (cin.get() != '\n')
        // ;
//cin.get();
    return 0; 
}
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