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H-Index II Given an array of citations sorted in ascending order (each citation is a non-negative integer) of a researcher, write a function to comput 阅读全文
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Single Number III Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find 阅读全文
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Search a 2D Matrix II Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in 阅读全文
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Sliding Window Maximum Given an array nums, there is a sliding window of size k which is moving from the very left of the array to the very right. You 阅读全文
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Product of Array Except Self Given an array nums of n integers where n > 1, return an array output such that output[i] is equal to the product of all 阅读全文