简单的中奖率问题求解

代码：

import java.util.Scanner;
public class push {

 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
     Scanner reader=new Scanner(System.in);
     System.out.println("please enter the number from 1 to 10");
     int answer=6,p=0,record=0;
     do
     {
      int m=reader.nextInt();
     if(m==answer)
     {
      System.out.println("you are right!");
      p=1;
     }
     else
      System.out.println("you are fault");
     record++;
     }while(p!=1);
     System.out.println("the pectage is "+(float)1/record);
 }

}

答案：