Submission

Score: 100

User: pottersk146

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-06 15:53:58

#include <iostream>
using namespace std;

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

    for (int i = 0; i < a.length(); i++)
    {
        bool found = false;

        for (int j = 0; j < b.length(); j++)
        {
            if (a[i] == b[j])
            {
                found = true;
                break;
            }
        }

        if (found)
        {
            bool used = false;

            for (int k = 0; k < i; k++)
            {
                if (a[i] == a[k])
                {
                    used = true;
                    break;
                }
            }

            if (!used)
            {
                cout << a[i] << " ";
            }
        }
    }

    return 0;
}