IDEA小游戏数字炸弹

import java.util.Random;
import java.util.Scanner;
public class NumberGame {
    public static void main(String[] args) {
        Random r = new Random();
        int number = r.nextInt(101);
        int min = 0, max = 100;
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入0-100以内的数");
        int guestnumber = sc.nextInt();
        while (guestnumber < 0 | guestnumber > 100) {
            System.out.println("您输入的数据有误");
            System.out.println("请重新输入一个数:");
             guestnumber = sc.nextInt();
        }
            while (guestnumber != number) {
                    if (number > guestnumber & guestnumber < max) {
                    System.out.println("[" + guestnumber + "," + max + "]");
                    min = guestnumber;
                    System.out.println("请继续猜");
                    guestnumber = sc.nextInt();
                } else if (guestnumber > number & guestnumber > min) {
                    System.out.println("[" + min + "," + guestnumber + "]");
                    max = guestnumber;
                    System.out.println("请继续猜");
                    guestnumber = sc.nextInt();
                }
                if (guestnumber == number)
                    System.out.println("恭喜猜对，数字为：" + number);
                else
                    System.out.println("错误");

            }
        }
    }