新一代的天皇巨星

2016年3月14日

106. Construct Binary Tree from Inorder and Postorder Traversal

摘要： Note:You may assume that duplicates do not exist in the tree. Subscribe to see which companies asked this question 阅读全文

posted @ 2016-03-14 05:41 新一代的天皇巨星阅读(158) 评论(0) 推荐(0)

105. Construct Binary Tree from Preorder and Inorder Traversal

摘要： Note:You may assume that duplicates do not exist in the tree. Subscribe to see which companies asked this question 阅读全文

posted @ 2016-03-14 05:02 新一代的天皇巨星阅读(213) 评论(0) 推荐(0)

2016年3月12日

110. Balanced Binary Tree

摘要： Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the dept 阅读全文

posted @ 2016-03-12 14:29 新一代的天皇巨星阅读(173) 评论(0) 推荐(0)

Shortest Sum Path(Option Pricing: Trinomial Tree)

摘要： Problem: You have a n x n grid: 2 4 3 1 3 2 1 4 4 2 3 1 1 2 3 4 You have to start at the bottom row (highlighted red) and make your way to the top row 阅读全文

posted @ 2016-03-12 09:12 新一代的天皇巨星阅读(306) 评论(0) 推荐(0)

Placeholder

摘要： Placeholder 阅读全文

posted @ 2016-03-12 00:33 新一代的天皇巨星阅读(150) 评论(0) 推荐(0)

2016年3月11日

15. 3Sum && 16. 3Sum Closest

摘要： 15. 3Sum Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives th 阅读全文

posted @ 2016-03-11 00:06 新一代的天皇巨星阅读(182) 评论(0) 推荐(0)

2016年3月10日

1. Two Sum

摘要： Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ex 阅读全文

posted @ 2016-03-10 13:56 新一代的天皇巨星阅读(196) 评论(0) 推荐(0)

2016年3月7日

332. Reconstruct Itinerary

摘要： 332. Reconstruct Itinerary Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerar 阅读全文

posted @ 2016-03-07 05:42 新一代的天皇巨星阅读(353) 评论(0) 推荐(0)

380. Insert Delete GetRandom O(1) && 381. Insert Delete GetRandom O(1) - Duplicates allowed

摘要： 380. Insert Delete GetRandom O(1) Design a data structure that supports all following operations in average O(1) time. insert(val): Inserts an item va 阅读全文

posted @ 2016-03-07 05:11 新一代的天皇巨星阅读(430) 评论(0) 推荐(0)

2016年3月6日

207. Course Schedule && 210. Course Schedule II && 310. Minimum Height Trees

摘要： 207. Course Schedule There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to tak 阅读全文

posted @ 2016-03-06 09:40 新一代的天皇巨星阅读(212) 评论(0) 推荐(0)

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