Update and rename is_tree_symmetric.py to bt_is_tree_symmetric.py

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marina 2023-08-03 13:17:44 -07:00 committed by GitHub
parent 5159d766d9
commit 7d6d6189e5
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@ -2,7 +2,8 @@
# -*- coding: utf-8 -*-
# author: bt3gl
def is_symmetrical(root: Optional[TreeNode]) -> bool:
def is_symmetric(root: Optional[Node]) -> bool:
stack = [(root, root)]
@ -25,7 +26,7 @@ def is_symmetrical(root: Optional[TreeNode]) -> bool:
return True
def is_symmetrical_recursive(root: Optional[TreeNode]) -> bool:
def is_symmetric_recursive(root: Optional[TreeNode]) -> bool:
def helper(node1, node2):
if (not node1 and node2) or \