Techinpad

Wednesday, December 23, 2015

[LintCode] Add and Search Word

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Design a data structure that supports the following two operations: addWord(word)  and  search(word) search(word)  can search a literal...
Tuesday, December 22, 2015

[LintCode] Restore IP Addresses Show result

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Given a string containing only digits, restore it by returning all possible valid IP address combinations. Example Given  "25...
Friday, October 30, 2015

LFU Cache

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Similar to LRU http://techinpad.blogspot.com/2015/06/leetcode-lru-cache.html, implement a LFU, which is the least frequently used cache. A...
Tuesday, October 27, 2015

[LeetCode] Serialize and Deserialize Binary Tree

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Question can be found https://leetcode.com/problems/serialize-and-deserialize-binary-tree/ /** * Definition for a binary tree node. *...
Tuesday, October 20, 2015

[LeetCode] Find Median from Data Stream

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Question can be found https://leetcode.com/problems/find-median-from-data-stream/ class MedianFinder { priority_queue<int> up;...
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