Tony's Log

Algorithms, Distributed System, Machine Learning
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2015年7月2日

HackerRank - "Grid Walking"
摘要： Good one.. marked as DP, so I was striking to work out a DP formula... well, not all DP have a formula - one type of DP is called memorized search: th... 阅读全文
posted @ 2015-07-02 14:08 Tonix 阅读(830) 评论(0) 推荐(0)

LeetCode "Kth Smallest Element in a BST"
摘要： Simply to utilize BST's property. The two-pass code below can be extended to support frequent insert\delete.struct SNode{ SNode(int rcnt) : cnt(rcn... 阅读全文
posted @ 2015-07-02 09:45 Tonix 阅读(150) 评论(0) 推荐(0)