@w1024020103 2017-08-23T02:14:45.000000Z 字数 125 阅读 629

Lowest Common Ancestor II

LintCode BinaryTree LAC

没思路，看的答案。解法思路很巧妙，自下向上遍历给的两个node, 记录下从上到下的path. 最后比较path中的node找出分岔点，就可以顺利找到要求的LAC.

ac:
Screen Shot 2017-08-22 at 9.26.26 AM.png-241.7kB

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  - Static vs Instance Methods
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- - Array 4
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  - K Closest Numbers In Sorted Array
  - Drop Eggs
  - Total Occurrence of Target
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  - Binary Tree Longest Consecutive Sequence II
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  - Lowest Common Ancestor II
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  - Rehashing
  - Hash Function
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  - 二刷Maximum Subarray
  - Median of two Sorted Arrays
  - Subarray Sum Closest
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  - Binary Tree Path Sum II
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  - Search a 2D Matrix II
  - Divide Two Integers
  - K Closest Numbers In Sorted Array
  - Drop Eggs
  - Total Occurrence of Target
  - Knight Shortest Path II
  - Rehashing
  - Hash Function
  - Move Zeroes
  - Window Sum
  - Merge Two Sorted Arrays
  - 二刷Maximum Subarray
  - Median of two Sorted Arrays
  - Subarray Sum Closest
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  - Combination Sum
  - Subsets II
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- - java 10
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Lowest Common Ancestor II

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