Simplify Reverse (C#) folder structure

73_Reverse/csharp/Reverse/Reverser.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Text;
+
+namespace Reverse
+{
+    public class Reverser
+    {
+        protected int[] _array;
+
+        public Reverser(int arraySize)
+        {
+            _array = CreateRandomArray(arraySize);
+        }
+
+        public void Reverse(int index)
+        {
+            if (index > _array.Length)
+            {
+                return;
+            }
+
+            for (int i = 0; i < index / 2; i++)
+            {
+                int temp = _array[i];
+                int upperIndex = index - 1 - i;
+                _array[i] = _array[upperIndex];
+                _array[upperIndex] = temp;
+            }
+        }
+
+        public bool IsArrayInAscendingOrder()
+        {
+            for (int i = 1; i < _array.Length; i++)
+            {
+                if (_array[i] < _array[i - 1])
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        private int[] CreateRandomArray(int size)
+        {
+            if (size < 1)
+            {
+                throw new ArgumentOutOfRangeException(nameof(size), "Array size must be a positive integer");
+            }
+
+            var array = new int[size];
+            for (int i = 1; i <= size; i++)
+            {
+                array[i - 1] = i;
+            }
+
+            var rnd = new Random();
+
+            for (int i = size; i > 1;)
+            {
+                int k = rnd.Next(i);
+                --i;
+                int temp = array[i];
+                array[i] = array[k];
+                array[k] = temp;
+            }
+            return array;
+        }
+
+        public string GetArrayString()
+        {
+            var sb = new StringBuilder();
+
+            foreach (int i in _array)
+            {
+                sb.Append(" " + i + " ");
+            }
+
+            return sb.ToString();
+        }
+    }
+}