3doorsgame_10000iterations.c

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#include <stdlib.h>
#include <stdio.h>
int randomize (int maxVal)
{

  return (rand () % (int) (maxVal)) + 1;
}

int main ()
{
    int seed = time (NULL);
    srand (seed);
    int doorNumber, i, doorwith_car, door_chosen,success;
    printf ("Enter Number of Doors\n");
    scanf ("%d", &doorNumber);
    int iterations = 10000;
    float success_rate;
    int j;
    int doors[doorNumber],goat_counter;
    //char a;
    for(j = 0,success = 0; j < iterations; j++)
    {
        doorwith_car = randomize (doorNumber);
        door_chosen = randomize (doorNumber);
        printf ("Chosen door is: %d, and there is a door with a car behind\n", door_chosen);
        for (i = 0, goat_counter = 0; i < doorNumber; i++)
        {
            if (i != (doorwith_car - 1) && i != (door_chosen - 1))
            {
                if(goat_counter == (doorNumber -2))
                    break;
    	        printf ("We had a goat behind the door %d\n", (i + 1));
                goat_counter++;
                
            }
        }
        if(doorwith_car != door_chosen)
            success++;
    }
    success_rate = (1.0*success) / (1.0*iterations);
    printf("Success rate is %f\n",success_rate);
    /*
    printf("Now the question is do you want to change the door or not?(Y/y or N/n)\n");
    scanf (" %c", &a);
    if (a == 'N' || a == 'n')
    {
        if (door_chosen == doorwith_car)
            printf ("Congrats! You have won a car!!!\n");
        else
	        printf ("Sorry, maybe next time\n");
    }
    else if (a == 'y' || a == 'Y')
    {
        if (door_chosen != doorwith_car)
	        printf ("Congrats! You have won a car!!!\n");
        else
	        printf ("Sorry, maybe next time\n");
    }
    */
    return 0;
}