Submission

Score: 100

User: rukdk

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-05 09:34:12

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

int main() {
    string a, b;
    cin >> a >> b;

    int x = a.length();
    int y = b.length();
    string result = "";

   
    for (int i = 0; i < x; i++) {
        int found = 0;
        for (int j = 0; j < y; j++) {
            if (a[i] == b[j]) {
                found = 1;
                break;
            }
        }

    
        int already = 0;
        for (int k = 0; k < result.length(); k++) {
            if (result[k] == a[i]) {
                already = 1;
                break;
            }
        }

        if (found == 1 && already == 0) {
            result += a[i];
        }
    }

    cout << result;
    return 0;
}