Submission

Score: 100

User: Bune

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-09-13 16:25:58

#include <iostream>
#include <vector>

using std::cin,std::cout,std::vector,std::string;

int main(){
  string s1,s2;
  cin >> s1 >> s2;
  int n1 = s1.length();
  int n2 = s2.length();
  vector<int> cnt1(123,0);
  vector<int> cnt2(123,0);
  for(int i=0;i<n1;i++){
    cnt1[s1[i]]++;
  }
  for(int i=0;i<n2;i++){
    cnt2[s2[i]]++;
  }

  for(int i=65;i<123;i++){
    if(cnt1[i] >= 1 && cnt2[i] >= 1) cout << char(i) << " ";
  }

  return 0;
}