Submission #1215952

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MAX_N = 50;
const int INF = LLONG_MAX/10;

int N;
string S[MAX_N];

signed main()
{
	int mi[26];
	fill_n(mi, 26, INF);
	cin >> N;
	for (int i = 0; i < N; i++)
	{
		int cnt[26] = {};
		cin >> S[i];
		for (int j = 0; j < S[i].size(); j++)
		{
			cnt[S[i][j] - 'a']++;
		}
		for (int j = 0; j < 26; j++)
		{
			mi[j] = min(mi[j], cnt[j]);
		}
	}
	for (int i = 0; i < 26; i++)
	{
		for (int j = 0; j < mi[i]; j++)
		{
			printf("%c", 'a' + i);
		}
	}
	puts("");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:32:24: warning: format ‘%c’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
    printf("%c", 'a' + i);
                        ^

Judge Result