Submission

Score: 100

User: pitt

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-12 11:35:21

#include<bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    string a,b;
    cin >> a >> b;
    set<char> out;
    for(int i = 0; i < a.size(); i++){
            if(find(b.begin(),b.end(),a[i]) != b.end()){
                out.insert(a[i]);
                //cout << a[i] << ' ';
            }
    }

    for(auto &p : out) cout << p << " ";
}