Submission #2105724

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main(void) {
  int n;
  cin >> n;
  vector <string> s;
  for(int i = 0; i < n; i++) {
    string t;
    cin >> t;
    s.push_back(t);
  }

  vector < map<char, int> > mp;
  for(int i = 0; i < n; i++) {
    map<char, int> mpp;
    for(int j = 0; j < s[i].length(); j++) {
      mpp[s[i][j]]++;
    }
    mp.push_back(mpp);
  }

  for(char c = 'a'; c <= 'z'; c++) {
    int mn = 50;
    for(int i = 0; i < n; i++) {
      mn = min(mn, mp[i][c]);
    }
    for(int i = 0; i < mn; i++) {
      cout << c;
    }
  }

  cout << endl;
}

Submission Info

Judge Result