#include <stdio.h>

void elabora (int *p)
{
    p[0] = 10;
    p[1] = 100;
    p[2] = 1000;
}

int main (void)
{
    int a[3];

    elabora (a);
    printf ("%i %i %i \n",  a[0], a[1], a[2]);

    return 0;
}

10 100 1000