Submission

Score: 0

User: Whatthepoop

Problemset: สตริงซ้ำซ้ำ

Language: c

Time: 0.002 second

Submitted On: 2025-10-10 23:54:03

#include <stdio.h>
#include <string.h>

int main(){
    char a[21], b[21];
    scanf(" %s", &a);
    scanf(" %s", &b);

    int len_a = strlen(a);
    int len_b = strlen(b);

    for(int i = 0; i < len_a; i++){
        for(int j = 0; j < len_b; j++){

            if(a[i] == b[j]){
                int checked = 0;
                for(int k = 0; k < i; k++){
                    if(a[k] == a[i]) checked = 1;
                    break;
                }

                if(checked == 0) {
                    printf("%c ", a[i]);
                }
                break;
            }
        }
    }
    return 0;
}