// this will run a simulations to show Charlie some shit and stuff
// assume n[0] is you
public class sim {
    static int size;//Holds the number of people
    static int[] n;// holds the number of wins for each person

    //This is where the program enters
    public static void main(String[] args) {

        // Set this to the number of iterations you want(higher is more accurate)
        // Attempts to take input from the command line arguments
        int iterations = 10000;
        if (args.length > 0){
            try{
                iterations = Integer.parseInt(args[0]);
            } catch (NumberFormatException e) {
                System.out.println("Argument is not an integer, reverting to default");
            }
        }

        //Some init code
        size = (int)Math.pow(10,8);// Sets the number of people
        System.out.println("Starting, using "+size+" people and "+iterations+" iterations");
        n = new int[size];// Declars array to count number of wins

        // some variables for logic
        int win = 0;
        int lose = 0;
        boolean exit;
        int which = 0;

        // This makes sure you go through like ten thousand iterations
        for (int Q = 0; Q< iterations; Q++){

            // Prints some info into console
            if (Q % 200 == 0) System.out.println("Run #"+Q+" , "+win+" wins so far");

            // resets all the values for logic
            for (int i = 0; i < size; i++){
                n[i] = 0;
            }
            exit = false;

            // Keeps going until you lose or win
            while (!(exit)){

                which =(int)(Math.random() * (size)); // Selects who won
                n[which]++; // adds to their score

                //if which = 0 then you win, else someone else won

                // if you win, or someone wins three times, exits
                if ((which ==0)||(n[which] >= 3)){
                    exit = true;
                }
            }

            // Checks to see if you won or lost
            if (which == 0) {
                win ++;
            } else lose ++;
        }

        //calculates the answer
        //int answer = (win/iterations)*100;

        // This shows you the answer
        System.out.println("You won "+win+" times out of "+iterations+" runs");
        //System.out.println("That means you had a "+answer+"% chance of winning");
    }
}