Plus Minus

plusminus.cs

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+using System.CodeDom.Compiler;
+using System.Collections.Generic;
+using System.Collections;
+using System.ComponentModel;
+using System.Diagnostics.CodeAnalysis;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.Serialization;
+using System.Text.RegularExpressions;
+using System.Text;
+using System;
+
+class Solution {
+
+    // Complete the plusMinus function below.
+    static void plusMinus(int[] arr) {
+            int negative = 0;
+            int positive = 0;
+            int zeros = 0;
+        for (int i = 0; i < arr.Length; i++) {
+            if (arr[i] < 0) {
+                negative += 1;
+            }
+            else if (arr[i] == 0) {
+                zeros += 1;
+            }
+            else {
+                positive += 1;
+            }  
+        }           
+            double line1 = (double)positive/arr.Length;
+            double line2 = (double)negative/arr.Length;
+            double line3 = (double)zeros/arr.Length;
+
+            Console.WriteLine("{0:0.000000}", line1);
+            Console.WriteLine("{0:0.000000}", line2);
+            Console.WriteLine("{0:0.000000}", line3);      
+    }
+
+    static void Main(string[] args) {
+        int n = Convert.ToInt32(Console.ReadLine());
+
+        int[] arr = Array.ConvertAll(Console.ReadLine().Split(' '), arrTemp => Convert.ToInt32(arrTemp))
+        ;
+        plusMinus(arr);
+    }
+}