Submission

Score: 0

User: Chawin

Problemset: สตริงซ้ำซ้ำ

Language: c

Time: 0.001 second

Submitted On: 2025-10-07 21:32:53

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

int main(){
    char str1[21], str2[21];
    scanf("%s %s", &str1, &str2);

    int cnt1[123] = {}, cnt2[123] = {};

    for(int i = 0; i < strlen(str1); i++){
        int ascii = str1[i];
        cnt1[ascii]++;
    }

    for(int i = 0; i < strlen(str2); i++){
        int ascii = str2[i];
        cnt2[ascii]++;
    }
 
    for(int i = 65; i <= 122; i++){
        if((cnt1[i] > 0) && (cnt2[i] > 0)){
            for(int j = 0; j < cnt1[i]; j++){
                printf("%c ", i);
                cnt1[i]--;
                cnt2[i]--;
            }
        }
    }



    return 0;
}