Submission

Score: 100

User: ultraman9845

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-11 22:30:22

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    string s, s2;
    cin >> s >> s2;
    vector<ll> alp(128, 0);
    for (auto e : s) {
        alp[e]++;
    }
    vector<ll> alp2(128, 0);
    for (auto e : s2) {
        alp2[e]++;
    }
    for (int i = 0; i < 128; i++) {
        if (alp[i] > 0 && alp2[i] > 0) {
            cout << char(i) << " ";
        }
    }
    return 0;
}