Submission

Score: 100

User: letdown

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-08 18:41:27

#include <iostream>

using namespace std;
int main() {
    string s1, s2, dupe=" ";
    cin >> s1 >> s2;

    int isDupe = 0;
    for (auto i : s2) {
        for (auto j : s1) {
            for (auto k : dupe) {
                if (i == k || j == k) {
                    isDupe = 1;
                    break;
                }
            }
            if (!isDupe && i == j) {
                cout << i << " ";
                dupe += i;
                
            }
            if (isDupe) isDupe = 0;
        }
    }
}