One-Hundred-Fifty-Five Commit: Add Flip and Invert an Image problem to Bitwise XOR section

Author: AAdewunmi

src/Bitwise_XOR/Problem_4_Flip_And_Invert_An_Image.java

@@ -0,0 +1,18 @@
+package Bitwise_XOR;
+
+// Problem Statement: Flip and Invert an Image (hard)
+// LeetCode Question: 832. Flipping an Image
+
+public class Problem_4_Flip_And_Invert_An_Image {
+    public int[][] flipAndInvertImage(int[][] arr) {
+        int C = arr[0].length;  // Get the number of columns in the input matrix
+        for (int[] row: arr) {  // Iterate through each row in the matrix
+            for (int i = 0; i < (C + 1) / 2; ++i) {  // Iterate through the first half of each row
+                int tmp = row[i] ^ 1;  // Invert the current element and store it in tmp
+                row[i] = row[C - 1 - i] ^ 1;  // Invert and swap elements symmetrically from the beginning and end of the row
+                row[C - 1 - i] = tmp;  // Update the end element with the temporary value
+            }
+        }
+        return arr;  // Return the modified matrix
+    }
+}