Submission #1208264

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)




int N;
int C[50][26];
//-----------------------------------------------------------------------------------
int main() {
    cin >> N;
    rep(i, 0, N) {
        string s; cin >> s;
        for (char c : s) C[i][c - 'a']++;
    }

    string ans = "";
    rep(i, 0, 26) {
        int mi = 101010;
        rep(j, 0, N) mi = min(C[j][i], mi);

        char c = 'a' + i;
        rep(j, 0, mi) ans += c;
    }
    cout << ans << endl;
}

Submission Info

Judge Result