Submission

Score: 0

User: ztmy_

Problemset: สตริงซ้ำซ้ำ

Language: c

Time: 0.001 second

Submitted On: 2025-10-11 10:34:28

#include <stdio.h>

int main(){
    char s1[20];
    char s2[20];
    char ans[20];
    scanf("%s", s1);
    scanf("%s", s2);
    int len1, len2;
    for (len1 = 0; s1[len1] != '\0'; len1++);
    for (len2 = 0; s2[len2] != '\0'; len2++);
    int k = 0;
    for (int i = 0; i < len1; i++){
        for (int j = 0; j < len2; j++){
            if (s2[j] == s1[i]) {
                ans[k] = s2[j];
                k++;
            }
        }
    }
    for (int i = -1; i < k-1; i++){
        if (ans[i] != ans[i+1]) printf("%c ", ans[i+1]);
    }
}