输入一个字符,如果是大写,转换为小写字母,如果是小写字母,转换为大写字母。如果不是字母,输出ASCII码
#include <iostream>
using namespace std;
int main()
{
char c;
cin>>c;
if('a'<=c &&c<='z') {
c-=32;
cout <<c<<endl;
}
else if('A'<=c &&c<='Z') {
c+=32;
cout <<c<<endl;
}else{
cout <<c+0<<endl;
}
return 0;
}
#include <iostream>
using namespace std;
int main()
{
char ch;
cin>>ch;
if(ch>='a' && ch<='z')
cout<<(char)(ch-32);
else if(ch >= 'A' && ch<='Z')
cout<<(char)(ch+32);
else
cout<<(int)ch;
return 0;
}