From c953f3d5bd857efa9155c44ad74b7b37a1fda716 Mon Sep 17 00:00:00 2001
From: Ninja-2408 <116113893+Ninja-2408@users.noreply.github.com>
Date: Wed, 19 Oct 2022 00:40:16 +0530
Subject: [PATCH] Create Matrix_anti_Clockwise

---
 Matrix_anti_Clockwise | 47 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Matrix_anti_Clockwise

diff --git a/Matrix_anti_Clockwise b/Matrix_anti_Clockwise
new file mode 100644
index 0000000..753792b
--- /dev/null
+++ b/Matrix_anti_Clockwise
@@ -0,0 +1,47 @@
+#include <bits/stdc++.h>
+using namespace std;
+ 
+#define R 4
+#define C 4
+ 
+void reverseColumns(int arr[R][C])
+{
+    for (int i = 0; i < C; i++)
+        for (int j = 0, k = C - 1; j < k; j++, k--)
+            swap(arr[j][i], arr[k][i]);
+}
+ 
+void transpose(int arr[R][C])
+{
+    for (int i = 0; i < R; i++)
+        for (int j = i; j < C; j++)
+            swap(arr[i][j], arr[j][i]);
+}
+ 
+void printMatrix(int arr[R][C])
+{
+    for (int i = 0; i < R; i++) {
+        for (int j = 0; j < C; j++)
+            cout << arr[i][j] << " ";
+        cout << '\n';
+    }
+}
+ 
+void rotate180(int arr[R][C])
+{
+    transpose(arr);
+    reverseColumns(arr);
+    transpose(arr);
+    reverseColumns(arr);
+}
+ 
+int main()
+{
+    int arr[R][C] = { { 34, 21, 35, 64 },
+                      { 143, 45, 235, 43 },
+                      { 36, 13, 135, 567},
+                      { 56, 88, 32, 46 } };
+    rotate180(arr);
+    printMatrix(arr);
+    return 0;
+}