Submission

Score: 100

User: emipp

Problemset: สตริงซ้ำซ้ำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-13 00:16:36

#include <iostream>
#include <cstring>
using namespace std;

int main() {
    char str[21] ;
    char str2 [21];
    char ans [21] ;
    cin >> str ; 
    cin >> str2 ; 
    int x = strlen(str) ;
    int y = strlen(str2) ;

    int k = 0 ;
    for (int i = 0 ; i < x ;i++) {
        for(int j =0 ; j<y ; j++) {
            if (str[i] == str2[j]) {
                int add = 0 ;
                for (int m = 0 ; m <k ; m++) {
                    if (ans[m] == str[i]){
                    add = 1 ;
                    break ;
                }
            }
            
                if (!add) {
                    ans[k] = str[i] ;
                    k++ ;
                }
            }  
        } 
    }
        for (int i = 0 ; i<k ; i++){
            cout << ans[i] << " ";
        
    }
    return 0 ;
}