北叶青藤

2016年7月21日

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(198) 评论(0) 推荐(0) 编辑

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(184) 评论(0) 推荐(0) 编辑

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(249) 评论(0) 推荐(0) 编辑

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(272) 评论(0) 推荐(0) 编辑

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(257) 评论(0) 推荐(0) 编辑

239. Sliding Window Maximum

摘要： Given an array of n integer with duplicate number, and a moving window(size k), move the window at each iteration from the start of the array, find th 阅读全文

posted @ 2016-07-20 05:33 北叶青藤阅读(152) 评论(0) 推荐(0) 编辑

Update Bits

摘要： Given two 32-bit numbers, N and M, and two bit positions, i and j. Write a method to set all bits between i and j in N equal to M (e g , M becomes a s 阅读全文

posted @ 2016-07-20 04:46 北叶青藤阅读(219) 评论(0) 推荐(0) 编辑

Route Between Two Nodes in Graph

摘要： Given a directed graph, design an algorithm to find out whether there is a route between two nodes. Have you met this question in a real interview? Ye 阅读全文

posted @ 2016-07-20 04:16 北叶青藤阅读(205) 评论(0) 推荐(0) 编辑

Submatrix Sum

摘要： Given an integer matrix, find a submatrix where the sum of numbers is zero. Your code should return the coordinate of the left-up and right-down numbe 阅读全文

posted @ 2016-07-20 04:04 北叶青藤阅读(332) 评论(0) 推荐(0) 编辑

2016年7月19日

Maximal Square

摘要： Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. Given a 2D binary matrix filled with 阅读全文

posted @ 2016-07-19 13:28 北叶青藤阅读(175) 评论(0) 推荐(0) 编辑

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