1#Definition for a binary tree node.2#class TreeNode:3#def __init__(self, val=0, left=None, right=None):4#self.val = val5#self.left = left6#self.right = right7classSolution:8deffindDistance(self, root: Optional[TreeNode], p: int, q: int) ->int:9deffindLca(node, p, q):...
please refer to my previous post:Lowest Common Ancestor of a Binary Search Tree (BST)or the definition of LCAhere. Using the tree above as an example, the LCA of nodes5and1is3. Please note that LCA for nodes5and4is5.
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8-Queue Problem https://github.com/xtaci/algorithms/blob/master/include/8queen.h Palindrome https://github.com/xtaci/algorithms/blob/master/include/palindrome.h LCA using Binary Lifting https://github.com/xtaci/algorithms/blob/master/include/LCA.h贡献...
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