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Given a non-empty string containing an out-of-order English representation of digits 0-9, output the digits in ascending order. Note: Example 1: Examp 阅读全文
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Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note: You may assume k is always valid, 1 ≤ k ≤ BST's 阅读全文
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There are a number of spherical balloons spread in two-dimensional space. For each balloon, provided input is the start and end coordinates of the hor 阅读全文
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There are n bulbs that are initially off. You first turn on all the bulbs. Then, you turn off every second bulb. On the third round, you toggle every 阅读全文
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Given a set of intervals, for each of the interval i, check if there exists an interval j whose start point is bigger than or equal to the end point o 阅读全文
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Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assum 阅读全文
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转自:http://cek.io/blog/2015/12/03/event-loop/ What is JavaScript What is JavaScript anyway? Some words: It’s a single-threaded, non-blocking, asynchron 阅读全文