26 lines
859 B
Java
26 lines
859 B
Java
import java.util.Random;
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public class Monty{
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public static void main(String[] args){
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int switchWins = 0;
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int stayWins = 0;
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Random gen = new Random();
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for(int plays = 0;plays < 32768;plays++ ){
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int[] doors = {0,0,0};//0 is a goat, 1 is a car
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doors[gen.nextInt(3)] = 1;//put a winner in a random door
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int choice = gen.nextInt(3); //pick a door, any door
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int shown; //the shown door
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do{
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shown = gen.nextInt(3);
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//don't show the winner or the choice
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}while(doors[shown] == 1 || shown == choice);
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stayWins += doors[choice];//if you won by staying, count it
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//the switched (last remaining) door is (3 - choice - shown), because 0+1+2=3
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switchWins += doors[3 - choice - shown];
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}
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System.out.println("Switching wins " + switchWins + " times.");
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System.out.println("Staying wins " + stayWins + " times.");
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}
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}
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