package com.gh.p10;

/**

 * Created by Lenovo on 2014/12/10.

 */

import java.util.Random;

import java.util.Scanner;

/**

 * 取火柴游戏

 * 等待改进。。。。。

 */

public class P10_6 {

    static int last,user,computer;

    static Scanner input=new Scanner(System.in);// 输入对象

    static void quhuochai(){

        Random r= new Random();//随机种子

        while (true){

            System.out.printf("--- 目前还有火柴%d根 ---\n", last);

            System.out.printf("用户取火柴数量：");

            user=input.nextInt();

            if (user<1||user>=5||user>last){

                System.out.printf("违规！取出的火柴数量有问题!重来。。。");

                continue;

            }

            last=last-user;

            System.out.printf("用户取出%d根火柴\n",user);

            if (last==0){

                System.out.printf("Winner is Computer!!!");

                break;

            }else{

                if (last>5){

                    computer=r.nextInt(4)+1;

                }else if (last<=1){

                    computer=1;

                }else {

                    computer=last-1;

                }

                last=last-computer;

                System.out.printf("电脑取出%d根火柴\n",computer);

                if (last==0){

                    System.out.printf("Winner is You!!!");

                    break;

                }

            }

        }

    }

    public static void main(String[] args){

        System.out.printf("火柴数量：");

        last=input.nextInt();

        quhuochai();

    }

}