驢子的生活日記

package ch6;
import java.io.*;
public class ch6_26_2 
{
    public static void main(String awgs[])throws IOException
    {
        int ha,hg=0;
        int cg=0,cb=0,cc=100,ct=0,cont=0;
        String sha,shg;
        InputStreamReader in=new InputStreamReader(System.in);
        BufferedReader buf=new BufferedReader(in);
        System.out.println("type a number between 1~100");
        sha=buf.readLine();
        ha=Integer.parseInt(sha);
        do
        {
            cont++;
            cg=(int)(Math.random()*(cc-cb)+cb);
            ct=cg;
            System.out.println("is "+ct+"?1 for biger,2 for yes,3 for to smaller");
            shg=buf.readLine();
            hg=Integer.parseInt(shg);
            if(hg==1)
                cc=cg;
            if(hg==3)
                cb=cg;
        }while(hg!=2);
        System.out.println(ct+" is answer,for "+cont+" times");
    }

}
============================

type a number between 1~100
50
is 63?1 for biger,2 for yes,3 for to smaller
1
is 18?1 for biger,2 for yes,3 for to smaller
3
is 49?1 for biger,2 for yes,3 for to smaller
3
is 56?1 for biger,2 for yes,3 for to smaller
1
is 52?1 for biger,2 for yes,3 for to smaller
1
is 50?1 for biger,2 for yes,3 for to smaller
2
50 is answer,for 6 times