Submission #72574638

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Source Code Expand

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;

int main(void){
  int n;
  string s;
  cin >> n >> s;
  for(int i=0;i<n;i++){
    if(i == n-1){
      cout << s.at(n-2);
    }else if(i == n-2){
      cout << s.at(n-1);
    }else{
      cout << s.at(i);
    }
  }
  cout << endl;
  return 0;
}

Submission Info

Judge Result