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목록101. Symmetric Tree (1)
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LeetCode: 101. Symmetric Tree
# Definition for a binary tree node. # class TreeNode: # def __init__(self, val=0, left=None, right=None): # self.val = val # self.left = left # self.right = right class Solution: def isSymmetric(self, root: Optional[TreeNode]) -> bool: return self.isMirror(root.left, root.right) def isMirror(self, left, right): if left == None and right == None: return True if left == None or right == None: ret..
Computer Science/Coding Test
2021. 12. 19. 21:46