树獭君 - 博客园

2015年11月9日

摘要： QuestionWrite a program to find then-th ugly number.Ugly numbers are positive numbers whose prime factors only include2, 3, 5. For example,1, 2, 3, 4,... 阅读全文

posted @ 2015-11-09 06:13 树獭君阅读(146) 评论(0) 推荐(0)

Paint House II 解答

摘要： QuestionThere are a row ofnhouses, each house can be painted with one of thekcolors. The cost of painting each house with a certain color is different... 阅读全文

posted @ 2015-11-09 05:21 树獭君阅读(170) 评论(0) 推荐(0)

Paint House 解答

摘要： QuestionThere are a row ofnhouses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a ... 阅读全文

posted @ 2015-11-09 03:57 树獭君阅读(424) 评论(0) 推荐(0)

Encode and Decode Strings 解答

摘要： QuestionDesign an algorithm to encodea list of stringstoa string. The encoded string is then sent over the network and is decoded back to the original... 阅读全文

posted @ 2015-11-09 03:19 树獭君阅读(476) 评论(0) 推荐(0)

2015年11月8日

Integer to English Words 解答

摘要： Question Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. For example, Hint: Sol 阅读全文

posted @ 2015-11-08 23:52 树獭君阅读(231) 评论(0) 推荐(0)

Find the Celebrity 解答

摘要： QuestionSuppose you are at a party withnpeople (labeled from0ton - 1) and among them, there may exist one celebrity. The definition of a celebrity is ... 阅读全文

posted @ 2015-11-08 06:00 树獭君阅读(177) 评论(0) 推荐(0)

Inorder Successor in BST 解答

摘要： QuestionGiven a binary search tree and a node in it, find the in-order successor of that node in the BST.Note: If the given node has no in-order succe... 阅读全文

posted @ 2015-11-08 05:07 树獭君阅读(252) 评论(0) 推荐(0)

Find Successor & Predecessor in BST

摘要： First, we use recursive way.Successor 1 public class Solution { 2 public TreeNode inorderSuccessor(TreeNode root, TreeNode p) { 3 if (root... 阅读全文

posted @ 2015-11-08 05:07 树獭君阅读(820) 评论(0) 推荐(0)

Walls and Gates 解答

摘要： QuestionYou are given am x n2D grid initialized with these three possible values.-1- A wall or an obstacle.0- A gate.INF- Infinity means an empty room... 阅读全文

posted @ 2015-11-08 04:38 树獭君阅读(250) 评论(0) 推荐(0)

Smallest Rectangle Enclosing Black Pixels 解答

摘要： QuestionAn image is represented by a binary matrix with0as a white pixel and1as a black pixel. The black pixels are connected, i.e., there is only one... 阅读全文

posted @ 2015-11-08 03:41 树獭君阅读(253) 评论(0) 推荐(0)

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