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);
}
}

}