Submission

Score: 100

User: samsenpisardmoo

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-27 03:53:34

#include <bits/stdc++.h>
using namespace std;
int main()
{
    string n1,n2;
    cin >> n1 >> n2;

    int arr1[256];
    int arr2[256];
    
    for(int i=0; i<256; i++)
    {
        arr1[i] = 0;
        arr2[i] = 0;
    }

    for(int i=0; i<n1.length(); i++)
    {
        if(arr1[(int)n1[i]] == 0)
        {
            arr1[(int)n1[i]] = 1;
        }
    }

    for(int i=0; i<n2.length(); i++)
    {
        if(arr2[(int)n2[i]] == 0)
        {
            arr2[(int)n2[i]] = 1;
        }
    }

    for(int i=0; i<256; i++)
    {
        if(arr1[i]==1&&arr2[i]==1)
        {
            cout << (char) i << " ";
        }
    }
}