03 2016 档案

270. Closest Binary Search Tree Value
摘要：Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Note: Given target value is a floati 阅读全文
posted @ 2016-03-31 12:35 Joyce-Lee 阅读(473) 评论(0) 推荐(0)
278. First Bad Version
摘要：You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality c 阅读全文
posted @ 2016-03-31 12:24 Joyce-Lee 阅读(190) 评论(0) 推荐(0)
302. Smallest Rectangle Enclosing Black Pixels My Submissions QuestionEditorial Solution
摘要：An image is represented by a binary matrix with 0 as a white pixel and 1 as a black pixel. The black pixels are connected, i.e., there is only one bla 阅读全文
posted @ 2016-03-31 12:13 Joyce-Lee 阅读(186) 评论(0) 推荐(0)
305. Number of Islands II
摘要：A 2d grid map of m rows and n columns is initially filled with water. We may perform an addLand operation which turns the water at position (row, col) 阅读全文
posted @ 2016-03-25 12:08 Joyce-Lee 阅读(345) 评论(0) 推荐(0)
261. Graph Valid Tree
摘要：Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to check whether these edges mak 阅读全文
posted @ 2016-03-23 12:19 Joyce-Lee 阅读(257) 评论(0) 推荐(0)
200. Number of Islands
摘要：Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacen 阅读全文
posted @ 2016-03-15 13:11 Joyce-Lee 阅读(215) 评论(0) 推荐(0)
130. Surrounded Regions
摘要：Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded 阅读全文
posted @ 2016-03-15 13:02 Joyce-Lee 阅读(193) 评论(0) 推荐(0)
296. Best Meeting Point
摘要：A group of two or more people wants to meet and minimize the total travel distance. You are given a 2D grid of values 0 or 1, where each 1 marks the h 阅读全文
posted @ 2016-03-14 05:45 Joyce-Lee 阅读(211) 评论(0) 推荐(0)
286. Walls and Gates
摘要：You are given a m x n 2D grid initialized with these three possible values. Fill each empty room with the distance to its nearest gate. If it is impos 阅读全文
posted @ 2016-03-14 05:22 Joyce-Lee 阅读(265) 评论(0) 推荐(0)
317. Shortest Distance from All Buildings
摘要：You want to build a house on an empty land which reaches all buildings in the shortest amount of distance. You can only move up, down, left and right. 阅读全文
posted @ 2016-03-14 05:15 Joyce-Lee 阅读(304) 评论(0) 推荐(0)