java - Nim 循环游戏

Question

所以，我必须制作一个 Nim 风格的 Java 游戏......我已经成功制作了大部分游戏......我只是有几个问题让我感到困惑:

问题 1:程序执行得很好，甚至运行了一次，但在执行一次代码后，程序就退出了......我需要帮助看看它为什么会那样(我是否使用了错误的循环？)

问题二:为什么程序总是选择电脑处于所谓的“智能模式”？

任何帮助将不胜感激。谢谢你们:D

这是我的代码:

import java.util.*;
public class GameOfNim
{
    public static void main (String [] args)
    {
        Scanner in = new Scanner (System.in);
        Random num = new Random ();
        int numberLeft = num.nextInt(101-10) + 10;
        int computerMode = num.nextInt(1);
        int subtraction = numberLeft;
        boolean turn = num.nextBoolean();

        System.out.println ("The number you start out with is: " + numberLeft);

        if (computerMode == 0)
        {
            System.out.println ("The computer is in smart mode");
        }
        if (computerMode == 1)
        {
            System.out.println ("The computer is in dumb mode");
        }

        while (numberLeft > 1)
        {
            if (turn == true)
            {
                System.out.println ("It is your turn...");
                System.out.printf ("Please enter the number you wish to take from the pile (Remember it has to be less than " + numberLeft/2 + "): ");
                subtraction = in.nextInt();
                numberLeft -=subtraction;
                System.out.println ("The number left is " + numberLeft);
                turn = false;
            }
            if (turn ==false)
            {
                System.out.println ("It is the computer's turn...");
                if (computerMode == 0)
                {  
                    numberLeft = smartComputer(numberLeft);
                    System.out.println ("The number left is " + numberLeft);
                }

                if (computerMode == 1)
                {
                    numberLeft -= num.nextInt(numberLeft/2);
                    System.out.println ("The number left is " + numberLeft);
                }
                turn = true;
                return;
            }
        }

        if (numberLeft <= 1)
        {
            if (turn = false)
            {
                System.out.println ("You Win!");
            }  
            else
            {
                System.out.println ("You're horrible...you lost to a computer.");
            }  
        }
    }

    public static int smartComputer (int num)
    {
        int power = 2;        
        while (power < num) 
        { 
            power *=2;
        }
        power /= 2;
        num = power-1;
        return num;
    }
}

Answer 1

Random.nextInt(int n) 将返回一个介于 0 和 n 之间的整数值。由于您已按如下方式计算 computerMode:

int computerMode = num.nextInt(1);

computerMode 将始终返回 0。

如果计算机只能处于两种模式，也许您可​​以改用 nextBoolean？