/*  ____________________________________________________
   ( Monty Hall Dilemma by Ruben/nnxion - Rubenisme.com )
    ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯  */

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

int chooseprize()
{
	int prize;
	prize = rand() % 3;
	return prize;
}

int chooserandom()
{
	int chosen;
	srand(time(NULL) + rand() % time(NULL));
	chosen = rand() % 3;
	return chosen;
}

int showbad(int prize)
{
	int n, bad;
	srand(time(NULL) + rand() % time(NULL));
	n = rand() % 2;

	switch(prize)
	{
		case 0: if(n == 0) bad = 1; else bad = 2; break;
		case 1: if(n == 0) bad = 0; else bad = 2; break;
		case 2: if(n == 0) bad = 0; else bad = 1; break;
	}

	return bad;
}

int main()
{

	int prize, chosen, bad, tried, tries, counter = 0;
	float percentage = 0.00;

	/* set number of tries */
	tries = 5000;

	/* take initial random seed */
	srand(time(NULL));

	for(tried = 0; tried < tries; tried++)
	{
		/* choose a door where the prize is behind */
		prize = chooseprize();

		/* choose a random door */
		chosen = chooserandom();

		/* show ANOTHER door with no prize */
		bad = showbad(prize);

		/* raise counter if it would have been good to change */
		if(chosen == bad || chosen != prize) counter++;
	}

	percentage = ((float)counter/(float)tries) * 100;
	printf("The number of times it would have been beneficial to change: %d\n", counter);
	printf("The number of tries = %d, the percentage is %.2f\n\n", tries, percentage);

}