Question 9: What could be the possible output of the following progra…

1#include <stdio.h>
2#include <stdlib.h>
3
4int main() {
5    int x = 10, pid;
6    pid = fork();
7    if (pid == 0) {
8        x += 5;
9        printf("Child 1: %d\n", x);
10    } else {
11        x += 10;
12        printf("Parent 1: %d\n", x);
13        pid = fork();
14        if (pid == 0) {
15            x += 20;
16            printf("Child 2: %d\n", x);
17        } else {
18            x += 30;
19            printf("Parent 2: %d\n", x);
20        }
21    }
22    return 0;
23}