Submission

Status:

[PPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: Quinruj

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-17 20:05:57

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

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

    string a,b;cin>>a>>b;
    unordered_map<char,bool> mp,out;
    for (auto i : a){
        mp[i] = true;
    }
    for (auto i : b){
        if (mp[i] && !out[i]) cout << i << ' ';
        out[i] = true;
    }
}