Submission

Score: 100

User: opjns

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-13 08:51:28

#include <iostream>
using namespace std;

int main() {
    char word1[30], word2[30];
    cin >> word1;
    cin >> word2;

    int len1 = 0, len2 = 0;
    while (word1[len1] != '\0') {
        len1++;
    }
    while (word2[len2] != '\0') {
        len2++;
    }

    for (int i = 0; i < len1; i++) {
        bool printed = false;
        for (int k = 0; k < i; k++) {
            if (word1[i] == word1[k]) {
                printed = true;
                break;
            }
        }
        if (!printed) {
            for (int j = 0; j < len2; j++) {
                if (word1[i] == word2[j]) {
                    cout << word1[i];
                    if (i != len1 - 1) {
                        cout << " ";
                    }
                    break;
                }
            }
        }
    }
    return 0;
}