北叶青藤

2016年7月22日

摘要： Given two arrays of length m and n with digits 0-9 representing two numbers. Create the maximum number of length k <= m + n from digits of the two. Th 阅读全文

posted @ 2016-07-22 04:15 北叶青藤阅读(239) 评论(0) 推荐(0)

341. Flatten Nested List Iterator

摘要： Given a nested list of integers, implement an iterator to flatten it. Each element is either an integer, or a list -- whose elements may also be integ 阅读全文

posted @ 2016-07-22 00:28 北叶青藤阅读(215) 评论(0) 推荐(0)

2016年7月21日

Scramble String

摘要： Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively. Below is one possible representati 阅读全文

posted @ 2016-07-21 23:00 北叶青藤阅读(230) 评论(0) 推荐(0)

Binary Representation

摘要： Given a (decimal - e.g. 3.72) number that is passed in as a string, return the binary representation that is passed in as a string. If the fractional 阅读全文

posted @ 2016-07-21 13:29 北叶青藤阅读(293) 评论(0) 推荐(0)

Convert Expression to Reverse Polish Notation

摘要： Given an expression string array, return the Reverse Polish notation of this expression. (remove the parentheses) Given an expression string array, re 阅读全文

posted @ 2016-07-21 11:52 北叶青藤阅读(310) 评论(0) 推荐(0)

Candy

摘要： There are N children standing in a line. Each child is assigned a rating value. You are giving candies to these children subjected to the following re 阅读全文

posted @ 2016-07-21 05:52 北叶青藤阅读(206) 评论(0) 推荐(0)

295. Find Median from Data Stream

摘要： Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean of the two 阅读全文

posted @ 2016-07-21 02:46 北叶青藤阅读(204) 评论(0) 推荐(0)

149. Max Points on a Line

摘要： Given n points on a 2D plane, find the maximum number of points that lie on the same straight line. Example Given 4 points: (1,2), (3,6), (0,0), (1,3) 阅读全文

posted @ 2016-07-21 01:28 北叶青藤阅读(263) 评论(0) 推荐(0)

2016年7月20日

Number of Airplanes in the Sky

摘要： Given an interval list which are flying and landing time of the flight. How many airplanes are on the sky at most? Notice If landing and flying happen 阅读全文

posted @ 2016-07-20 23:18 北叶青藤阅读(281) 评论(0) 推荐(0)

Nuts & Bolts Problem

摘要： Given a set of n nuts of different sizes and n bolts of different sizes. There is a one-one mapping between nuts and bolts. Comparison of a nut to ano 阅读全文

posted @ 2016-07-20 22:42 北叶青藤阅读(277) 评论(0) 推荐(0)

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