/*
 * SelfTest2.question1.c
 * Chapter 9
 * By John Stile
 * Purpose: Write a program that generates a random number 
 *          between 10 and 30 inclusively using modulus operator.
 */
#include <stdio.h> // gives us printf
#include <stdlib.h> // gives us rand/srand
#include <time.h>  // gives us time
#define MAX 20  // maro to set the max number

int main(void) // header for main: takes nothing returns int
{
  srand( time(NULL) ); // seed rand with current time
  printf("%d\n", (rand()%MAX+10) ); // pick a random number,
                                    // devide by our max value
                                    // take the remainder, and add 10
                                    // print the decimal value of result
  return 0 ; // return 0 to calling progrma
}