Submission

Score: 100

User: chin.peerapatAtgmail.com

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-25 10:03:22

#include<bits/stdc++.h>
using namespace std;
string a,d;
int b[300],c[300];
int main(){
		cin>>a>>d;
		for(int i=0;i<a.length();i++){
			b[a[i]-'A']++;
		}
		for(int i=0;i<d.length();i++){
			c[d[i]-'A']++;
		}
	for(int i=0;i<300;i++){
		if(c[i]!=0&&b[i]!=0){
			cout<<char(i+'A');
		}
	}
}