摘要:
Combination SumGiven a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thes... 阅读全文
摘要:
Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie... 阅读全文
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Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1... 阅读全文
摘要:
Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime complexity... 阅读全文