Submission

Score: 100

User: faofao

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-13 09:06:34

#include <iostream>
#include <string>
#include <set> 
using namespace std;

int main(){
    string a,b ;
    cin >> a;
    cin >> b;
    set<char> s ;
    for(int i=0 ; i<a.length() ; i++){
        for(int j=0 ; j<b.length() ; j++){
            if(a[i]==b[j]){
                if(a[i]=='#') continue;
                s.insert(a[i]) ;
                a[i]='#' ;
                b[j]='#' ;
            }
        }
    }

    for(char ch : s) cout << ch << " " ;
}