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Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endp 阅读全文
posted @ 2019-11-19 10:31
xuan_abc
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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 the elements of nums except n 阅读全文
posted @ 2019-11-18 11:17
xuan_abc
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Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't 阅读全文
posted @ 2019-11-18 10:58
xuan_abc
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Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), find the minimum number of conference room 阅读全文
posted @ 2019-11-18 07:23
xuan_abc
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Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), determine if a person could attend all mee 阅读全文
posted @ 2019-11-18 05:36
xuan_abc
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Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. Example:Assume that words = ["p 阅读全文
posted @ 2019-11-18 05:05
xuan_abc
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Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element. Example 阅读全文
posted @ 2019-11-18 03:55
xuan_abc
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Implement atoi which converts a string to an integer. The function first discards as many whitespace characters as necessary until the first non-white 阅读全文
posted @ 2019-11-17 12:34
xuan_abc
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Given a positive integer num, write a function which returns True if num is a perfect square else False. Note: Do not use any built-in library functio 阅读全文
posted @ 2019-11-17 11:57
xuan_abc
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Given a non-empty array of digits representing a non-negative integer, plus one to the integer. The digits are stored such that the most significant d 阅读全文
posted @ 2019-11-17 10:00
xuan_abc
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