/* Exercise 5.35 solution */
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void
main ()
{
  int x, guess, response;

  /* seed randomness */
  srand (time (NULL));

  do {
    printf ("\nI have a number between 1 and 1000.\n");
    printf ("Can you guess my number?\n");
    x = 1 + rand () % 1000;

    printf ("Please type your guess.\n? ");
    scanf ("%d", &guess);    

    while (guess != x) 
      {
        if (guess < x)
          printf ("Too low. Try again.\n? ");
        else
          printf ("Too high. Try again.\n? ");
        
        scanf ("%d", &guess);
      }
    
    printf ("\nExcellent! You guessed the number!\n");
    printf ("Would you like to play again?\n");

    printf ("Please type (1=yes, 2=no)? ");
    scanf ("%d", &response);

  } while (response == 1);
}