Submission #6510595

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Source Code Expand

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

int main() {
  string s;
  char jubge = 'z';
  bool a = true;
  cin >> s;
  sort(s.begin(),s.end());
  for(int i = 0; i < s.size(); i++){
    if(jubge == s.at(i)){
      a = false;
      break;
    }else{
      jubge = s.at(i);
    }
  }
  if(a)
    cout << "yes" << endl;
  else
    cout << "no" << endl;
}

Submission Info

Judge Result