Submission #2277480

---

Source Code Expand

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>

using namespace std;

int main() {
	int n;
	cin >> n;
	vector<string> S(n);
	for (int i = 0; i < n; i++)
	{
		cin >> S[i];
	}
	int cNum[26] = {};
	for (int j = 0; j < 26; j++)
	{
		cNum[j] = 50;
	}
	for (int i = 0; i < n; i++)
	{
		int tNum[26] = { 0 };
		for (int j = 0; j < S[i].length(); j++)
		{
			tNum[(int)(S[i][j] - 'a')]++;
		}
		for (int j = 0; j < 26; j++)
		{
			cNum[j] = min(cNum[j], tNum[j]);
		}
	}


	string ans = "";
	for (int i = 0; i < 26; i++)
	{
		string s(cNum[i], char('a' + i));
		ans += s;
	}

	cout << ans << endl;
	return 0;
}

Submission Info

Judge Result