jasminemzy

2018年9月16日

leetcode750 - Number Of Corner Rectangles - medium

摘要： Given a grid where each entry is only 0 or 1, find the number of corner rectangles.A corner rectangle is 4 distinct 1s on the grid that form an axis-a 阅读全文

posted @ 2018-09-16 05:57 jasminemzy 阅读(289) 评论(0) 推荐(0)

leetcode135 - Candy - hard

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 req 阅读全文

posted @ 2018-09-16 05:01 jasminemzy 阅读(177) 评论(0) 推荐(0)

leetcode41 - First Missing Positive - hard

摘要： Given an unsorted integer array, find the smallest missing positive integer.Example 1:Input: [1,2,0]Output: 3Example 2:Input: [3,4,-1,1]Output: 2Examp 阅读全文

posted @ 2018-09-16 04:38 jasminemzy 阅读(125) 评论(0) 推荐(0)

2018年9月15日

leetcode269 - Alien Dictionary - hard

摘要： There is a new alien language which uses the latin alphabet. However, the order among letters are unknown to you. You receive a list of non-empty word 阅读全文

posted @ 2018-09-15 13:50 jasminemzy 阅读(578) 评论(0) 推荐(0)

leetcode253 - Meeting Rooms II - medium

摘要： Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), find the minimum number of conference room 阅读全文

posted @ 2018-09-15 12:14 jasminemzy 阅读(242) 评论(0) 推荐(0)

leetcode42 - Trapping Rain Water - hard

摘要： Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 阅读全文

posted @ 2018-09-15 11:01 jasminemzy 阅读(162) 评论(0) 推荐(0)

2018年9月14日

leetcode48 - Rotate Image - medium

摘要： You are given an n x n 2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Note:You have to rotate the image in-place, which me 阅读全文

posted @ 2018-09-14 13:32 jasminemzy 阅读(119) 评论(0) 推荐(0)

leetcode282 - Expression Add Operators - hard

摘要： Given a string that contains only digits 0-9 and a target value, return all possibilities to add binary operators (not unary) +, -, or *between the di 阅读全文

posted @ 2018-09-14 12:17 jasminemzy 阅读(293) 评论(0) 推荐(0)

leetcode425 - Word Squares - hard

摘要： Given a set of words (without duplicates), find all word squares you can build from them.A sequence of words forms a valid word square if the kth row 阅读全文

posted @ 2018-09-14 01:34 jasminemzy 阅读(167) 评论(0) 推荐(0)

leetcode286 - Walls and Gates - medium

摘要： You are given a m x n 2D grid initialized with these three possible values.1. -1 - A wall or an obstacle.2. 0 - A gate.3. INF - Infinity means an empt 阅读全文

posted @ 2018-09-14 01:05 jasminemzy 阅读(345) 评论(1) 推荐(1)

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