Submission

Score: 100

User: Nuttykub

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-01 16:38:36

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    string s1,s2;
    cin >> s1 >> s2;
    set<char> repeat;
    
    for (int i = 0;i < s1.length();i++){
        for (int j = 0;j < s2.length();j++){
            if (s1[i]==s2[j]){
                repeat.insert(s1[i]);
                break;
            }
        }
    }
    for (char c:repeat) cout << c << " ";
}