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375. Guess Number Higher or Lower II We are playing the Guess Game. The game is as follows: I pick a number from 1 to n. You have to guess which numbe 阅读全文
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274. H-Index Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-ind 阅读全文
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209. Minimum Size Subarray Sum Given an array of n positive integers and a positive integer s, find the minimal length of a subarray of which the sum 阅读全文
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30. Substring with Concatenation of All Words You are given a string, s, and a list of words, words, that are all of the same length. Find all startin 阅读全文
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Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the 阅读全文