Submission #2212697

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define INF 100

int main(void) {
    int n, count[26];
    string s[50];
    cin >> n;
    for (int i = 0; i < n; i++)
        cin >> s[i];
    fill (count, count + 26, INF);
    for (int i = 0; i < n; i++) {
        int temp[26] = {};
        for (int j = 0; j < s[i].size(); j++)
            temp[s[i][j] - 'a']++;
        for (int j = 0; j < 26; j++)
            count[j] = min(count[j], temp[j]);
    }
    for (int i = 0; i < 26; i++) {
        for (int j = 0; j < count[i]; j++)
            cout << (char)('a' + i);
    }
}

Submission Info

Judge Result