Submission

Score: 100

User: exoworldgd

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-05-29 19:37:39

#include <bits/stdc++.h>
using namespace std;
int main(void) {
    string a,b;
    cin >> a>>  b;
    set<char> s1,s2;
    for (char c : a) s1.insert(c);
    for (char c : b) s2.insert(c);
    map<char,int> freq;
    for (char c : s1) freq[c]++;
    for (char c : s2) freq[c]++;
    for (auto [l,r] : freq) if (r > 1) cout << l << " ";
}