Miscellany

#include <cstdlib>
#include <iostream>
#include <time.h>

using namespace std;

int main(int argc, char *argv[])
{
    
    //initalize program
    int runs;
    bool changedoor;
    int wins, door_correct, door_select, door_remove;

    cout.precision(2);
    
    cout << "FUCKEN AWESOME DOOR APPLICATION\n";
    cout << "   _____    _____   _____\n";
    cout << "   |   |    |   |   |   |\n";
    cout << "   |  _|    |  _|   |  _|\n";
    cout << "   |   |    |   |   |   |\n";
    cout << "   |___|    |___|   |___|\n";
    cout << "\n by Tomas \"Toumaz\" Olander\n\n";
    cout << "You have three doors in front of you - one of them\ncontaining a grand prize and the other two are empty.\n";
    cout << "After picking an initial door one of the fake doors\nare opened, revealing its contents.\n\n";
    cout << "You are asked if you wish to change door or not.\nWhat do you do?";
    cout << "\n\n";
    
    //set up the number of programme runs
    
    start:
    
    cout << "Enter the number of times you wish to pick a door: ";
    cin >> runs;
    cout << "\n";
    
    //ask for Y/N
    
    cout << "Should the person change his/her selection after the revelation?\n";
    cout << "0: No  1: Yes  Choice? ";
    cin >> changedoor;
    cout << "\nStarting...  ";
    
    //set up some basic things
    wins=0;
    
    //set a random seed
    srand ( time(NULL) );
    
    //start the main loop
    for (int i = 1; i <= runs; i++) {
        door_correct=rand() % 3;
        door_select=rand() % 3;
        
        //we totally refuse to change door
        if (changedoor == 0) {
           if (door_select == door_correct) wins++;
           }
        //okay, we want to change door
        else if (changedoor == 1) {
           if (door_select != door_correct) wins++;   
           }
        }   
    
    //Print out the results
    cout << "finished!\n";
    cout << "\n--------------------------------------------------\n";
    cout << "Number of wins: " << wins << "/" << runs << "\n";
    cout << "Win percentage: " << (wins*100.0/runs) << "%";
    cout << "\n--------------------------------------------------\n\n";
    
    goto start;
    
    return EXIT_SUCCESS;
}