Submission

Score: 100

User: korn234

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-20 09:56:18

#include <iostream>
using namespace std;
int main(){
	string a;
	string b;
	int countA[128]={0};
	int countB[129]={0};
	cin>>a>>b;
	for (int i=0; i<a.length(); i++){
		countA[a[i]]++;
	}
	for (int i=0; i<b.length(); i++){
		countB[b[i]]++;
	}
	for (char c='A'; c<='Z'; c++){
		if (countA[c]>0 && countB[c]>0){
			cout<<c<<" ";
		}
	}
	for (char c='a'; c<='z'; c++){
		if (countA[c]>0 && countB[c]>0){
			cout<<c<<" ";
		}
	}
}