solve : rotate image

Author: SamTheKorean

rotate-image/samthekorean.py

@@ -0,0 +1,16 @@
+# TC : O(n^2)
+# SC : O(1)
+class Solution:
+    def rotate(self, matrix: List[List[int]]) -> None:
+        top, bottom = 0, len(matrix) - 1
+
+        while top < bottom:
+            left, right = top, bottom
+            for i in range(bottom - top):
+                topLeft = matrix[top][left + i]
+                matrix[top][left + i] = matrix[bottom - i][left]
+                matrix[bottom - i][left] = matrix[bottom][right - i]
+                matrix[bottom][right - i] = matrix[top + i][right]
+                matrix[top + i][right] = topLeft
+
+            top, bottom = top + 1, bottom - 1