C++输入

 1 #include <iostream>
 2 #include <string>
 3 
 4 using namespace std;
 5 
 6 int main(){
 7     //整型、浮点型、字符型
 8     int a = 0;
 9     cout << "请给整型变量a赋值:" << endl;
10     cin >> a;
11     cout << "整型变量a=" << a << endl;
12 
13     //字符串型
14     string str = "hello cpp";
15     cout << "请给字符型变量str赋值:" << endl;
16     cin >> str;
17     cout << "字符型变量str=" << str << endl;
18 
19     //布尔型
20     bool flag = false;
21     cout << "请给布尔型变量flag赋值:" << endl;
22     cin >> flag;    //只要输入的值不为0，都输出1（即非假即为1）
23     cout << "布尔型变量flag=" << flag << endl;
24 
25     system("pause");
26     return 0;
27 }