- import java.util.Scanner;
- public class Haha
- {
- public static void main(String[] args)
- {
- int start=1,end=99,count=0;
- int ans=(int)(Math.random()*99+1);
- int guess;
- while(true)
- {
- try
- {
- Scanner scn = new Scanner(System.in);
- count++;
- System.out.println("猜一個"+start+"到"+end+"之間的數字:");
- guess=c.nextInt();
- if(guess > ans)
- {
- end = guess-1;
- }else if(guess < ans)
- {
- start = guess+1;
- }else
- {
- System.out.println("恭喜你猜對了!!!");
- System.out.println("總共猜了: "+count+"次~~~");
- break;
- }
- }
- catch(Exception e)
- {
- System.out.println("輸入錯誤!!!請輸入整數!");
- }
- }
- }
- }
複製代碼 |