Submission

Score: 100

User: helloskibidi

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-05 10:47:50

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

int main(){
    string n , m; cin >> n >> m;

    set<char> x;
    map<char , int> k;

    for(int i=0;i<n.length();i++) k[n[i]] ++;
    for(int i=0;i<m.length();i++) if(k[m[i]]>=1) x.insert(m[i]);
    auto it=x.begin();
    while(it!=x.end()){
        cout << *it << ' ' ;
        it++;
    }
}