#include <sys/types.h>
#include <stdio.h>
#include <unistd.h>
#define SIZE 5
int nums[SIZE] = {0,1,2,3,4};
int main()
{
    int i;
    pid_t pid;
    pid = fork();
    printf("pid: %d \n",pid);
    if (pid == 0) {
        for (i = 0; i < SIZE; i++) {
            nums[i] *= -i;
            printf("CHILD: %d \n",nums[i]); /* LINE X */
        }
    }
    else if (pid > 0) {
        wait(NULL);
        for (i = 0; i < SIZE; i++)
            printf("PARENT: %d \n",nums[i]); /* LINE Y */
    }
    puts("");
    return 0;
}

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