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题目： Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). Example Given binary tree {3 阅读全文
posted @ 2017-05-09 22:18
Vincent丶丶
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题目： Given the root and two nodes in a Binary Tree. Find the lowest common ancestor(LCA) of the two nodes. The lowest common ancestor is the node with 阅读全文
posted @ 2017-05-09 21:35
Vincent丶丶
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题目： Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. Example Given the below binary tree: 1 / \ 2 3 阅读全文
posted @ 2017-05-09 20:58
Vincent丶丶
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