Submission

Score: 100

User: dentenplay5555

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-04 14:27:17

#include <iostream>
#include <set>
#include <map>
using namespace std;
int main() {
    string a;cin>>a;string c;cin>>c;
    set<char> d;
    map<char,int> b;
    for (int i=0;i<a.size();i++) if (b[a[i]]==0)b[a[i]]++;
    for (int i=0;i<c.size();i++) if (b[c[i]]>=1){d.insert(c[i]);}
    auto it=d.begin();
    while (it!=d.end()) {
        cout<<*it<<' ';
        ++it;
    }
}