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2016年8月17日

摘要： Write a function to generate the generalized abbreviations of a word. Example: Given word = "word", return the following list (order does not matter): 阅读全文

posted @ 2016-08-17 15:42 LiBlog 阅读(173) 评论(0) 推荐(0) 编辑

LeetCode-Maximum Product of Word Lengths

摘要： Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assum 阅读全文

posted @ 2016-08-17 14:34 LiBlog 阅读(131) 评论(0) 推荐(0) 编辑

LeetCode-Shuffle an Array

摘要： Shuffle a set of numbers without duplicates. Example: 阅读全文

posted @ 2016-08-17 13:42 LiBlog 阅读(271) 评论(0) 推荐(0) 编辑

LeetCode-Linked List Random Node

摘要： Given a singly linked list, return a random node's value from the linked list. Each node must have the same probability of being chosen. Follow up: Wh 阅读全文

posted @ 2016-08-17 13:39 LiBlog 阅读(229) 评论(0) 推荐(0) 编辑

2016年8月16日

LeetCode-Range Sum Query 2D - Immutable

摘要： Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2 阅读全文

posted @ 2016-08-16 15:21 LiBlog 阅读(124) 评论(0) 推荐(0) 编辑

LeetCode-Smallest Rectangle Enclosing Black Pixels

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 @ 2016-08-16 15:19 LiBlog 阅读(176) 评论(0) 推荐(0) 编辑

2016年8月15日

LeetCode-Range Sum Query- Immutable

摘要： Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. Example: Note: Solution: 阅读全文

posted @ 2016-08-15 13:58 LiBlog 阅读(137) 评论(0) 推荐(0) 编辑

LeetCode-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 @ 2016-08-15 13:42 LiBlog 阅读(257) 评论(0) 推荐(0) 编辑

LeetCode-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 @ 2016-08-15 12:19 LiBlog 阅读(129) 评论(0) 推荐(0) 编辑

LeetCode-Minimum Height Trees

摘要： For a undirected graph with tree characteristics, we can choose any node as the root. The result graph is then a rooted tree. Among all possible roote 阅读全文

posted @ 2016-08-15 11:50 LiBlog 阅读(155) 评论(0) 推荐(0) 编辑

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