Create Reverse2DArray.py

Matrix/Reverse2DArray.py

@@ -0,0 +1,56 @@
+using System;
+
+class GFG{
+
+static int M = 3;
+static int N = 3;
+
+// Function to reverse
+// the given 2D [,]arr
+static void reverseArray(int [,]arr)
+{
+
+    // Traverse each row of [,]arr
+    for (int i = 0; i < M; i++) {
+
+        // Initialise start and end index
+        int start = 0;
+        int end = N - 1;
+
+        // Till start < end, swap the element
+        // at start and end index
+        while (start < end) {
+
+            // Swap the element
+            int temp = arr[i,start];
+            arr[i, start] = arr[i, end];
+            arr[i, end] = temp;
+
+            // Increment start and decrement
+            // end for next pair of swapping
+            start++;
+            end--;
+        }
+    }
+
+    // Print the [,]arr after
+    // reversing every row
+    for (int i = 0; i < M; i++) {
+        for (int j = 0; j < N; j++) {
+            Console.Write(arr[i, j] + " ");
+        }
+        Console.WriteLine();
+    }
+}
+
+// Driver Code
+public static void Main(String[] args)
+{
+    int [,]arr = { { 1, 2, 3 },
+                     { 4, 5, 6 },
+                     { 7, 8, 9 } };
+
+    // Function call
+    reverseArray(arr);
+}
+}