solve: rotate image

Author: sounmind

rotate-image/evan.py

@@ -0,0 +1,18 @@
+from typing import List
+
+
+class Solution:
+    def rotate(self, matrix: List[List[int]]) -> None:
+        """
+        Do not return anything, modify matrix in-place instead.
+        """
+        n = len(matrix)
+
+        # Step 1: Transpose the matrix
+        for i in range(n):
+            for j in range(i, n):
+                matrix[i][j], matrix[j][i] = matrix[j][i], matrix[i][j]
+
+        # Step 2: Reverse each row
+        for i in range(n):
+            matrix[i].reverse()