upper case to lower case and lower case to upper case vice versa using bit manipulation

 

upper case to lower case and lower case to upper case vice versa using bit manipulation

#include<bits/stdc++.h>

using namespace std;

int main()

{

   char chu,chl,up,lo;

   cin>>chu;

   cin>>chl;

   lo=chu&('_');// uppercase to lower case

   up=chl|' '; // lowercase to upper case

   cout<<up<<" "<<lo<<endl;

    return 0;

}