Submission

Score: 100

User: tha_smith

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 13:49:29

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

int main() {
	set<char> s;
	string s1;
	string s2;
	cin >> s1 >> s2;
	
	for(int i=0; i<s1.size() && i<20; i++) {
		for(int j=0; j<s2.size() && j<20; j++) {
			if(s1[i]==s2[j]) {
				s.insert(s2[j]);
			}
		}
	}
	
	for(char ch : s) {
		cout << ch << " ";
	}
}