LOTTO

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define RANGE 10
#define BALLS 6

int main()
{

    int numbers[RANGE];
    int c, ball;

    puts("L O T T O\t P I C C K E R");

    srand((unsigned)time(NULL));

    /* Initialize the array */

    for(c=0;c<RANGE;c++)
    {
        numbers[c] = 0;
    }
        printf("Press ENTER to pick this week's number:");
        getchar();

    /* draw the numbers */

    puts("\nHere they come:\n");
    for(c=0;c<BALLS;c++)
    {
        /* See if a number has been allready been drawn */
        do
        {
            ball = rand() % RANGE; /* Generate the random ball */
        }
        while(numbers[ball]); /* How is this compare made ? */
        /* Number drawn */
        numbers[ball] = 1; /* What is this for ?!?  */
        printf("%2d ", ball+1); /* add 1 to ball so ball won't be zero */
    }
    printf("\n\nGood luck in the drawing!\n");
    return(0);
}