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목록99. Recover Binary Search Tree (1)
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LeetCode: 99. Recover Binary Search Tree
1. 초안 코드가 뭔가 복잡하다. 코드도 줄일겸 메모리를 O(1)으로 풀어보자. # 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 recoverTree(self, root: Optional[TreeNode]) -> None: """ Do not return anything, modify root in-place instead. """ self.arr = [] self.helper(root) left, right = None, No..
Computer Science/Coding Test
2021. 10. 8. 20:30