Submission

Score: 100

User: Namkhing

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-04-10 23:31:58

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


int main() {
    cin.tie(nullptr)->ios_base::sync_with_stdio(false);
    string a, b;
    cin >> a >> b;
    string ans = "";
    for (char c : a) {
        bool ok = false;
        for (char x : b) {
            if (c == x) {
                ok = true;
                break;
            }
        }
        if (ok) ans.push_back(c);
    }
    sort(ans.begin(), ans.end());
    ans.resize(unique(ans.begin(), ans.end()) - ans.begin());
    for (char x : ans) cout << x << " ";
}