using System;

public class Program

{

    public static void plusMinus(int[] arr)

    {

        float positive = 0;

        float negative = 0;

        float zero = 0;

        for (int i = 0; i < arr.Length; i++)

        {

            if (arr[i] > 0)

                positive++;

            else if (arr[i] < 0)

                negative++;

            else

                zero++;

        }

​

        positive = positive / arr.Length;

        negative = negative / arr.Length;

        zero = zero / arr.Length;

​

        Console.WriteLine(positive.ToString("0.00000"));

        Console.WriteLine(negative.ToString("0.00000"));

        Console.WriteLine(zero.ToString("0.00000"));

    }

​

    public static void Main(string[] args)

    {

        int n = 5;

        int[] arr = Array.ConvertAll("1 1 0 -1 -1".Split(' '), arrTemp => Convert.ToInt32(arrTemp));

​

        plusMinus(arr);

    }

}