Submission

Score: 0

User: koon

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-11-04 22:34:44

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

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    string a, b;
    cin >> a >> b;
    map<char, int> sum;
    for (auto i : a) {
        if (sum[i] > 0) {
            continue;
        } else {
            sum[i]++;
        }
    }
    for (auto i : b) {
        if (sum[i] > 1) {
            continue;
        } else {
            sum[i]++;
        }
    }
    for (auto i : sum) {
        if (i.second == 2) {
            cout << i.first << " ";
        }
    }
    return 0;
}