12987 - Let's build a hacker script SHORT

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

char strA[25], strB[25];
int lenA, lenB;
int haveAns = 0;
int id[25];
void find(int indexA, int indexB) {
    int i, j;
    if (indexA == lenA && indexB == lenB) {
        int printed = 0;
        for (i = j = 0; i < lenB; i++) {
            if (id[j] == -1) {
                j++;
                continue;
            }
            if (printed) printf(" ");
            while (j < lenA && id[j] == i) {
                printf("%c", strA[j]);
                printed = 1;
                j++;
            }
        }
        printf("\n");
        haveAns = 1;
    }else if (indexA < lenA && indexB < lenB) {
        if (strB[indexB] == '#') {
            id[indexA] = indexB;
            find(indexA + 1, indexB + 1);
            find(indexA + 1, indexB);
        }else {
            id[indexA] = -1;
            if (strA[indexA] == strB[indexB])
                find(indexA + 1, indexB + 1);
        }
    }
}
int main() {
    scanf("%s %s", strA, strB);
    lenA = strlen(strA);
    lenB = strlen(strB);
    find(0, 0);
    if (!haveAns) {
        printf("What the hack!?\n");
    }
    return 0;
}