字符数据的运算及输出

 1 #include <iostream>
 2 
 3 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
 4 using namespace std;
 5 int main(int argc, char** argv) {
 6     
 7     //字符类型变量的声明
 8     char c1='A';
 9     char c2;
10 
11     //字符数据的运算及输出
12     c2=c1+32;
13     cout<<"c1="<<c1<<endl;
14     cout<<"c2="<<c2<<endl;
15 
16     //输出字符及ASCII码    
17     cout<<c1<<" : "<<int(c1)<<endl;
18     cout<<c2<<" : "<<int(c2)<<endl;
19     cout<<'$'<<" : "<<int('$')<<endl;
20     
21     //输入字符
22     cout<<"c1 c2"<<endl;
23     cin>>c1>>c2;
24     cout<<"c1="<<c1<<"  c2="<<c2<<endl;
25     return 0;
26 }