例2.2 字符數(shù)據(jù)與整數(shù)進(jìn)行算術(shù)運(yùn)算。下面程序的作用是將小寫字母轉(zhuǎn)換為大寫字母。
#include <iostream>
using namespace std;
int main( )
{char c1,c2;
 c1=′a′;
 c2=′b′;
 c1=c1-32;
 c2=c2-32;
 cout<<c1<<′ ′<<c2<<endl;
 return 0;
}