Submission

Score: 100

User: koon

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-11-04 22:39:45

#include <iostream>
#include <map>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    string a, b;
    cin >> a >> b;
    map<char, bool> c;
    for (int i = 0; i < a.size(); i++) {
        for (int j = 0; j < b.size(); j++) {
            if (a[i] == b[j] && !c[a[i]]) {
                cout << a[i] << " ";
                c[a[i]] = true;
                break;
            }
        }
    }
    return 0;
}