import java.io.; import java.util.; import java.text.; import java.math.; import java.util.regex.*;

public class Solution {

static void plusMinus(int[] arr) {
    double p=0,n=0,z=0;
    int al = arr.length;
    for(int i=0;i<al;i++)
    {
        if(arr[i]>0)
        {
            p++;
        }
        else if(arr[i]<0)
        {
            n++;
        }
        else if (arr[i]==0)
        {
            z++;
        }

    }
    System.out.printf("\n%1$.6f", p/al);
    System.out.printf("\n%1$.6f" ,n/al);
    System.out.printf("\n%1$.6f", z/al);
}                  

public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    int n = in.nextInt();
    int[] arr = new int[n];
    for(int arr_i = 0; arr_i < n; arr_i++){
        arr[arr_i] = in.nextInt();
    }
    plusMinus(arr);
    in.close();
}

} why this code is not being approved???