Submission #4639322

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Source Code Expand

#include <bits/stdc++.h>
//#include "stdc++.h"
#define llint long long int
#define ldouble long double

using namespace std;

int main() {
    string S;
    cin>>S;
    string alphm="abcdefghijklmnopqrstuvwxyz",
           alphp="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    
    for(int i=0;i<S.size();i++){
        for(int j=0;j<alphm.size();j++){
            if(i==0){
                if(S.at(i)==alphm.at(j)){
                    S.at(i)=alphp.at(j);
                    break;
                }
            }
            else{
                if(S.at(i)==alphp.at(j)){
                    S.at(i)=alphm.at(j);
                    break;
                }
            }          
        }
    }

    cout<< S <<endl;

return 0;
}

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