update 48

leetcode/48.py

@@ -0,0 +1,12 @@
+# Rotate image
+
+
+class Solution:
+    def rotate(self, matrix: list[list[int]]) -> None:
+        n = len(matrix)
+        for i in range(n):
+            for j in range(i, n):
+                matrix[i][j], matrix[j][i] = matrix[j][i], matrix[i][j]
+
+        for i in range(n):
+            matrix[i].reverse()