#include <stdio.h>

#include <stdlib.h>

#define getrandom(max) (1+(int)((float)(max)*rand()/RAND_MAX+1.0))

int main (void)

{

    while (1) {

        int guess = -1, value = getrandom (100), count = 0;

        do {

            printf ("Enter a number: ");

            if (scanf ("%d", &guess) < 0)

                (void)getchar ();

            else

                count++;

            if (guess != value)

                printf ("X is %s than %d\n", (value > guess) ? "higher" : "lower", guess);

        } while (value != guess);

        printf ("SUCCESS: You got it after %d attempts\n", count);

    }

    return EXIT_SUCCESS;

}