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Given the API rand7 which generates a uniform random integer in the range 1 to 7, write a function rand10 which generates a uniform random integer in 阅读全文
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Given an array A of non-negative integers, return an array consisting of all the even elements of A, followed by all the odd elements of A. You may re 阅读全文
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We distribute some number of candies, to a row of n = num_people people in the following way: We then give 1 candy to the first person, 2 candies to t 阅读全文
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You have n candies, the ith candy is of type candies[i]. You want to distribute the candies equally between a sister and a brother so that each of the 阅读全文
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Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may comple 阅读全文
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Given a collection of intervals, find the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping. Example 1: 阅读全文
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Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index. According 阅读全文
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In a given grid, each cell can have one of three values: the value 0 representing an empty cell; the value 1 representing a fresh orange; the value 2 阅读全文
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Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 阅读全文
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Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 阅读全文