摘要:Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
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摘要:Write a function to find the longest common prefix string amongst an array of strings.思路:这道题其实很简单。只不过一开始我就想复杂了,一看求Longest,就联想到DP。然后又联想到Set来求交并。后来,突然想到...
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摘要:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
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摘要:All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful to ...
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摘要:You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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摘要:Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4->5->NULLandk=2,return4->5->1->2->3->NULL.思路:任何...
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