PlusMinusZero Ratio Values in Array with 6 Decimal places

Question

It is the Code Challenge in internet to get the Ratio of the Positive,Negative,Zero Ratio of an Array elements with 6 decimal places. I solved it but i want to know any other method to solve this problem? And What Means Delegates in C#, I just know about that but not full. Hope you guys helpful!

class Result
{
/* It is the Problem In Interview Question to Calculate the ratio of
Positive,Negative,Zero Values in Given Array with 6 Decimal Places*/

/*Example:
Take arr={1,1,0,-1,-1}
There are n=5 elements, two positive, two negative and one zero.
Their ratios are 2/5=0.400000,2/5=0.400000 and 1/5=0.200000 .

Results are printed as:
0.400000
0.400000
0.200000*/

public static void plusMinus(List<int> arr)
{
List<int> p = arr.FindAll(delegate(int a){return a>0;});
//Delegate is used in methods that can be invoke any type of method into return type nor non return
List<int> n = arr.FindAll(delegate(int a){return a<0;});
List<int> z = arr.FindAll(delegate(int a){return a==0;});

Console.WriteLine("{0:0.000000}",Convert.ToDouble(p.Count)/Convert.ToDouble(arr.Count));
Console.WriteLine("{0:0.000000}",Convert.ToDouble(n.Count)/Convert.ToDouble(arr.Count));
Console.WriteLine("{0:0.000000}",Convert.ToDouble(z.Count)/Convert.ToDouble(arr.Count));
}

}

class Solution
{
public static void Main(string[] args)
{
int n = Convert.ToInt32(Console.ReadLine().Trim());

List<int> arr = Console.ReadLine().TrimEnd().Split(' ').ToList().Select(arrTemp => Convert.ToInt32(arrTemp)).ToList();

Result.plusMinus(arr);
}
}
Any other way to solve this in C#?

Answer 1

Next time, save your code in code playground and share the link here. Copy pasting the whole code results in a clogged question, so people don't want to answer. Try to make your question simple but brief. All the best =)

Answer 2

Rishi Ok Bro, Thanks :)