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Question Given two words (beginWord and endWord), and a dictionary's word list, find the length of shortest transformation sequence from beginWord to 阅读全文
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QuestionGiven a binary search tree, write a functionkthSmallestto find thekth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BS... 阅读全文
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Today, Infusion held a talk in Columbia University about tech interview.Talker: Nishit Shah @ Infusion, Techinical Account Manager, Dev -> Team Lead -... 阅读全文
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Today, TripAdvisor held a tech talk in Columbia University. The topic is about k-d Tree implemented in TripAdvisor to efficiently search MASSIVE locat... 阅读全文
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In this blog, we give a solution for Quick Select.Here, we have an improvement.The idea is to randomly pick a pivot element.Main difference is how we ... 阅读全文
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(referrence: GeeksforGeeks, Kth Largest Element in Array)This is a common algorithm problem appearing in interviews.There are four basic solutions.Sol... 阅读全文