import java.util.Scanner;
public class GuessNum {
public static void main(String[] args) {Scanner s = new Scanner(System.in);//接受输入(猜数)int user = 0;//用户输入的数(小)int user2 = 100;//用户输入的数(大)int no = -1 ;//存放输入的数/*生成随机数,给用户猜*/double d = Math.random();int guess = (int)(d*100)/1;/*对比用户猜到数和生成的数*/for(;no!=guess;){System.out.PRintln("please input a number in "+user+" to "+user2+"!");System.out.print("please input a number which you guess:");no = s.nextInt();if(no>guess){System.out.println("too big!");user2 = no;}if(no<guess){System.out.println("too small!");user = no;}}System.out.println("congratulation!");}
}
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