#include <iostream> #include <iomanip> #include <cmath> using namespace std; int main( ) { char a; while(cin>>a) { if(a>=49 && a<=57) { } else { if(a>=97 && a<=122) { a=a-32; } else { a=a+32; } cout << a<<endl ; } } return 0; } |
Double click to view unformatted code.