Submission

Score: 0

User: speed_coding

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-26 18:57:46

#include<bits/stdc++.h>
using namespace std;
int main(){
	string s1,s2;
	cin >> s1 >> s2;
	int has_s2[1000] ;
	int printed[1000] ;
	int first=1;
	for(int i =0; i< s2.length(); i++){
		has_s2[s2[i]] =1 ;
	}
	for(int i = 0; i<s1.length(); i++){
		char c =s1[i];
		if(has_s2[c] == 1&& printed[c]==0){
			if(first==0){
				cout << " ";
			}
			cout << c;
			printed[c] = 1;
			first = 0;
		}
	}
	cout << "\n";
}