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Really interesting BST manipulation problem!class Solution {public: TreeNode *findConn(TreeNode *p) { TreeNode *pTmp = p; while (p... 阅读全文
posted @ 2014-07-22 13:04
Tonix
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Now I believe thoughts leading to DP is brutal DFS.. DFS is brutal force enumeration, but that's too much and naive. We need pruning. So, DFS + Prunin... 阅读全文
posted @ 2014-07-22 12:12
Tonix
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For the one pass solution... first I tried to build white\blue from red, but not working anyway. Then I referred someone' code, to build red\blue from... 阅读全文
posted @ 2014-07-22 11:31
Tonix
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The first solution I figured out is O(n^3). I thought it must be O(n^2) to get max points on a line for a given point.. but after checking several art... 阅读全文
posted @ 2014-07-22 06:56
Tonix
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