1228怎么写？
核心部分
char a,b; cin>>a>>b; a=a-32; b=b+32; cout<<a<<" "<<b<<endl;
cout<<(char)(a-32)<<" "<<(char)(b+32);
1
char a,b; cin>>a>>b; cout<<char(a-32)<<" "<<char(b+32);
4312
