Submission #2373554

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vs = vector<string>;
using msi = map<string, int>;
using mii = map<int, int>;
using psi = pair<string, int>;
using pii = pair<int, int>;
using vlai = valarray<int>;
#define rep(i,n) for(int i=0;i<n;i++)
#define range(i,s,n) for(int i=s;i<n;i++)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define fs first
#define sc second
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define INF 1E9
#define EPS 1E-9
#define MOD (1E9+7)
#define PI 3.1415926535897932384

std::ostream &operator<<(std::ostream &out, const vector<int> &tgt)
{
	string s;
	for (int i = 0; i<tgt.size(); i++) {
		s += (to_string(tgt[i]) + ((i != tgt.size() - 1) ? " " : ""));
	}
	out << s;
	return out;
}

int main() {
	int n;
	cin >> n;
	vvi vv(n, vi('z' - 'a' + 1, 0));
	vi v('z' - 'a' + 1, 0);
	string s;
	rep(i, n) {
		cin >> s;
		rep(j, s.size()) {
			vv[i][s[j] - 'a']++;
		}
	}
	rep(i, 'z' - 'a' + 1) {
		int m = vv[0][i];
		range(j, 1, n) {
			m = min(m, vv[j][i]);
		}
		v[i] = m;
	}
	rep(i, v.size()) {
		rep(j, v[i]) {
			cout << (char)('a' + i);
		}
	}
	cout << endl;

}

Submission Info

Judge Result