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Best Time to Buy and Sell Stock IV2015.4.17 05:27Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorit... 阅读全文
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鄙人从去年8月份开始,决定投身考研大军。到如今3月底了终于在拟录取名单上找到了自己,这些日子的折腾总算是没白费,在此把自己的考研经历写下来,算是留个纪念吧。 我知道博客园有很多技术大牛,但相信也有很多比我小的同学可能正在思考自己的未来。如果你未来可能会走上考研的道路,希望这篇文章能给你一点帮助吧。 阅读全文
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Repeated DNA Sequences2015.2.10 05:44All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When stu... 阅读全文
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Largest Number2015.1.23 20:24Given a list of non negative integers, arrange them such that they form the largest number.For example, given[3, 30, 34, ... 阅读全文
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Dungeon Game2015.1.23 19:38The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists o... 阅读全文
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Binary Search Tree Iterator2015.1.23 18:58Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node ... 阅读全文
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Factorial Trailing Zeroes2015.1.23 18:46Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time ... 阅读全文
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Excel Sheet Column Number2015.1.23 17:54Related to questionExcel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corres... 阅读全文
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Majority Element2015.1.23 17:46Given an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋ti... 阅读全文
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Excel Sheet Column Title2015.1.23 17:20Given a positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -... 阅读全文