Submission

Score: 100

User: DIce

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-07 16:18:25

#include <bits/stdc++.h>
using namespace std;

char arr[1005];
int n[256];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    string a,b;

    cin>>a;
    cin>>b;

    int q=0;
    for(int i=0;i<a.size();i+=1){
        for(int j=0;j<b.size();j+=1){
            if(a[i]==b[j]){
                arr[q]=a[i];
                q+=1;
                break;
            }
        }
    }

    for(int i=0;i<q;i+=1){
        if(n[(unsigned char)arr[i]]==0){
            cout<<arr[i]<<' ';
        }
        n[(unsigned char)arr[i]]+=1;
    }

    return 0;
}