杭电 2008 ( 数值统计 ) java

import java.util.Scanner;public class Main{    public static void main(String[] args) {        Scanner sc = new Scanner(System.in);        while (sc.hasNext()) {            int n=sc.nextInt();            int a=0;            int b=0;            int c=0;                 if(n==0){break;}         for(int i=0;i<n;i++)         {      double    num=sc.nextDouble();           if(num<0)           {             a++;           }           if(num==0)           {                 b++;           }           if(num>0)           {               c++;           }         }         System.out.println(a+" "+b+" "+c);        }    }}