Submission

Score: 100

User: purihorharin

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2026-03-20 19:04:07

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

int main () {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);

    string a, b, c;
    cin >> a >> b;
    for (char ca : a) {
        for (char cb : b) {
            if (ca == cb) {
                c.push_back(cb);
                break;
            }
        }
    }
    char last = 0;
    sort(c.begin(), c.end());
    for (char cc : c) {
        if (last == cc) continue;
        last = cc;
        cout << last << " ";
    }
}