Submission #3456293

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Source Code Expand

#include<bits/stdc++.h>
#include<string>
using namespace std;
int main(){
  string s; cin >> s;

  bool app[26];
  for(int i = 0; i < 26; ++i){
    app[i] = false;
  }
  for(int i = 0; s[i] != '0'; ++i){
    app[s[i] - 'a'] = true;
  }
  for(int i = 0; i < 26; ++i){
    if(!app[i]){
      cout << (char)(i +'a') << endl;
    }
  }
  cout << "None" << endl;
}

Submission Info

Judge Result