Submission

Score: 100

User: SXLENG.S

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-12-13 17:33:03

#include <iostream>
#include <string>

using namespace std;

int main() {
	string s1,s2;
	cin>>s1>>s2;
	bool box[123] = {0};
	
	for (int i=0;i<s1.length();i++){
		box[s1[i]] = true;
	}
	
	for (int i=0;i<s2.length();i++){
		if (box[s2[i]] == true){
			cout<<s2[i]<<" ";
			box[s2[i]]=0;
		}
	}
}