2015年1月26日
【leetcode】Add Binary
摘要： Add BinaryGiven two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".Hide TagsMathString先补全字符串，从末尾开始加，每次计算... 阅读全文
posted @ 2015-01-26 23:23 H5开发技术 阅读(123) 评论(0) 推荐(0) 编辑
【leetcode】Search a 2D Matrix
摘要： Search a 2D MatrixWrite an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row... 阅读全文
posted @ 2015-01-26 23:22 H5开发技术 阅读(209) 评论(0) 推荐(0) 编辑
【leetcode】Find Peak Element
摘要： Find Peak ElementA peak element is an element that is greater than its neighbors.Given an input array wherenum[i] ≠ num[i+1], find a peak element and ... 阅读全文
posted @ 2015-01-26 23:21 H5开发技术 阅读(135) 评论(0) 推荐(0) 编辑
【leetcode】Unique Binary Search Trees
摘要： Unique Binary Search TreesGivenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a to... 阅读全文
posted @ 2015-01-26 23:20 H5开发技术 阅读(163) 评论(0) 推荐(0) 编辑
【leetcode】Compare Version Numbers
摘要： Compare Version NumbersCompare two version numbersversion1andversion1.Ifversion1>version2return 1, ifversion1 22; return 1.Example2: version1=="11.22.... 阅读全文
posted @ 2015-01-26 23:19 H5开发技术 阅读(215) 评论(0) 推荐(0) 编辑
【leetcode】Anagrams
摘要： AnagramsGiven an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.Anagrams：即字母个数和字母都相同，但是字母顺序不相... 阅读全文
posted @ 2015-01-26 23:18 H5开发技术 阅读(201) 评论(0) 推荐(0) 编辑
【leetcode】ZigZag Conversion
摘要： ZigZag ConversionThe string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern i... 阅读全文
posted @ 2015-01-26 23:17 H5开发技术 阅读(132) 评论(0) 推荐(0) 编辑
2015年1月24日
【leetcode】Maximum Gap
摘要： Maximum GapGiven an unsorted array, find the maximum difference between the successive elements in its sorted form.Try to solve it in linear time/spac... 阅读全文
posted @ 2015-01-24 15:20 H5开发技术 阅读(252) 评论(0) 推荐(0) 编辑
【leetcode】Median of Two Sorted Arrays
摘要： Median of Two Sorted ArraysThere are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run... 阅读全文
posted @ 2015-01-24 15:19 H5开发技术 阅读(148) 评论(0) 推荐(0) 编辑
【leetcode】Search for a Range
摘要： Search for a RangeGiven a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity ... 阅读全文
posted @ 2015-01-24 15:17 H5开发技术 阅读(148) 评论(0) 推荐(0) 编辑
2015年1月21日
【leetcode】Word Ladder II
摘要： Word Ladder IIGiven two words (startandend), and a dictionary, find all shortest transformation sequence(s) fromstarttoend, such that:Only one letter ... 阅读全文
posted @ 2015-01-21 22:21 H5开发技术 阅读(143) 评论(0) 推荐(0) 编辑
【leetcode】Surrounded Regions
摘要： Surrounded RegionsGiven 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... 阅读全文
posted @ 2015-01-21 20:46 H5开发技术 阅读(212) 评论(0) 推荐(0) 编辑
2015年1月20日
【leetcode】Valid Number
摘要： Valid NumberValidate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the ... 阅读全文
posted @ 2015-01-20 21:42 H5开发技术 阅读(249) 评论(0) 推荐(0) 编辑
【leetcode】Maximal Rectangle
摘要： Maximal RectangleGiven a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.使用dpHeight[]数组来记... 阅读全文
posted @ 2015-01-20 19:57 H5开发技术 阅读(184) 评论(0) 推荐(0) 编辑
2015年1月19日
【Unity3D】Invoke，InvokeRepeating ，Coroutine 延迟调用，周期性调用
摘要： Invoke和InvokeRepeating方法，可以实现延迟调用，和周期调用第一个是执行一次，第二个是重复执行void Invoke(string methodName, float time);第一个参数是方法名(注意是字符串形式），并不是更方便的委托。第二个是延时多少秒。只执行一次。void ... 阅读全文
posted @ 2015-01-19 22:35 H5开发技术 阅读(1301) 评论(0) 推荐(0) 编辑
【leetcode】Scramble String
摘要： Scramble StringGiven a strings1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.Below is one possible... 阅读全文
posted @ 2015-01-19 22:25 H5开发技术 阅读(190) 评论(0) 推荐(0) 编辑
【leetcode】Gray Code
摘要： Gray CodeThe gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integernrepresenting the tot... 阅读全文
posted @ 2015-01-19 22:23 H5开发技术 阅读(186) 评论(0) 推荐(0) 编辑
2015年1月18日
【leetcode】Fraction to Recurring Decimal
摘要： Fraction to Recurring DecimalGiven two integers representing the numerator and denominator of a fraction, return the fraction in string format.If the ... 阅读全文
posted @ 2015-01-18 20:16 H5开发技术 阅读(193) 评论(0) 推荐(0) 编辑
【Unity3D】计算二维向量夹角（-180到180）
摘要： 在Unity3D中，有时候我们需要计算二维向量的夹角。二维向量夹角一般在0~180度之前，可以直接调用Vector2.Angle(Vector2 from, Vector2 to)来计算。但是在有些场景，我们需要-180~180度的夹角，此时可以用下面的脚本进行计算：1 float Vect... 阅读全文
posted @ 2015-01-18 18:40 H5开发技术 阅读(13703) 评论(0) 推荐(0) 编辑
【leetcode】Partition List
摘要： Partition ListGiven a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should pres... 阅读全文
posted @ 2015-01-18 18:34 H5开发技术 阅读(224) 评论(0) 推荐(0) 编辑
【leetcode】Binary Tree Zigzag Level Order Traversal
摘要： Binary Tree Zigzag Level Order TraversalGiven a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then... 阅读全文
posted @ 2015-01-18 16:58 H5开发技术 阅读(145) 评论(0) 推荐(0) 编辑
2015年1月17日
【leetcode】Word Break II
摘要： Word Break IIGiven a stringsand a dictionary of wordsdict, add spaces insto construct a sentence where each word is a valid dictionary word.Return all... 阅读全文
posted @ 2015-01-17 21:28 H5开发技术 阅读(166) 评论(0) 推荐(0) 编辑
2015年1月16日
【leetcode】Substring with Concatenation of All Words
摘要： Substring with Concatenation of All WordsYou are given a string,S, and a list of words,L, that are all of the same length. Find all starting indices o... 阅读全文
posted @ 2015-01-16 22:59 H5开发技术 阅读(211) 评论(0) 推荐(0) 编辑
【Unity3D】使用鼠标键盘控制Camera视角（即时战略类游戏视角）：缩近，拉远，旋转
摘要： 今天写一个demo，要用到鼠标键盘控制三维视角，因此写了个脚本用于控制。该脚本可以用于即时战略类游戏的视角，提供了缩进，拉伸，旋转。同时按住鼠标右键不放，移动鼠标可以实现第一人称视角的效果。 1 using UnityEngine; 2 using System.Collections; 3 4 ... 阅读全文
posted @ 2015-01-16 20:43 H5开发技术 阅读(15658) 评论(0) 推荐(0) 编辑
2015年1月15日
【leetcode】Recover Binary Search Tree
摘要： Recover Binary Search TreeTwo elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A sol... 阅读全文
posted @ 2015-01-15 22:57 H5开发技术 阅读(198) 评论(0) 推荐(0) 编辑
【leetcode】Dungeon Game
摘要： Dungeon GameThe demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms l... 阅读全文
posted @ 2015-01-15 22:06 H5开发技术 阅读(191) 评论(0) 推荐(0) 编辑
2015年1月14日
【leetcode】Text Justification
摘要： Text JustificationGiven an array of words and a lengthL, format the text such that each line has exactlyLcharacters and is fully (left and right) just... 阅读全文
posted @ 2015-01-14 22:44 H5开发技术 阅读(239) 评论(0) 推荐(0) 编辑
2015年1月13日
【leetcode】Largest Number
摘要： Largest NumberGiven a list of non negative integers, arrange them such that they form the largest number.For example, given[3, 30, 34, 5, 9], the larg... 阅读全文
posted @ 2015-01-13 21:05 H5开发技术 阅读(309) 评论(0) 推荐(0) 编辑
2015年1月12日
【leetcode】Merge k Sorted Lists
摘要： Merge k Sorted ListsMergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.采用优先队列priority_queue把ListNode放入优先队... 阅读全文
posted @ 2015-01-12 23:03 H5开发技术 阅读(125) 评论(0) 推荐(0) 编辑
【leetcode】Reverse Nodes in k-Group
摘要： Reverse Nodes in k-GroupGiven a linked list, reverse the nodes of a linked listkat a time and return its modified list.If the number of nodes is not a... 阅读全文
posted @ 2015-01-12 21:32 H5开发技术 阅读(148) 评论(0) 推荐(0) 编辑
2015年1月11日
【leetcode】Multiply Strings
摘要： Multiply StringsGiven two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large ... 阅读全文
posted @ 2015-01-11 20:33 H5开发技术 阅读(147) 评论(0) 推荐(0) 编辑
【leetcode】Unique Binary Search Trees II
摘要： Unique Binary Search Trees IIGivenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your pr... 阅读全文
posted @ 2015-01-11 14:28 H5开发技术 阅读(181) 评论(0) 推荐(0) 编辑
【leetcode】Convert Sorted List to Binary Search Tree
摘要： Convert Sorted List to Binary Search TreeGiven a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.... 阅读全文
posted @ 2015-01-11 13:39 H5开发技术 阅读(157) 评论(0) 推荐(0) 编辑
【leetcode】Convert Sorted Array to Binary Search Tree
摘要： Convert Sorted Array to Binary Search TreeGiven an array where elements are sorted in ascending order, convert it to a height balanced BST.每次把中间元素当成根节... 阅读全文
posted @ 2015-01-11 11:17 H5开发技术 阅读(139) 评论(0) 推荐(0) 编辑
2015年1月10日
【leetcode】Wildcard Matching
摘要： Wildcard MatchingImplement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters... 阅读全文
posted @ 2015-01-10 21:41 H5开发技术 阅读(153) 评论(0) 推荐(0) 编辑
【leetcode】Permutations II
摘要： Permutations IIGiven a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the follow... 阅读全文
posted @ 2015-01-10 16:49 H5开发技术 阅读(117) 评论(0) 推荐(0) 编辑
2015年1月9日
【leetcode】Next Permutation
摘要： Next PermutationImplement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangemen... 阅读全文
posted @ 2015-01-09 21:31 H5开发技术 阅读(181) 评论(0) 推荐(0) 编辑
【leetcode】Rotate Image
摘要： Rotate ImageYou are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?假设旋转的时候... 阅读全文
posted @ 2015-01-09 20:20 H5开发技术 阅读(135) 评论(0) 推荐(0) 编辑
【leetcode】N-Queens II
摘要： N-Queens IIFollow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions. 1 class Solutio... 阅读全文
posted @ 2015-01-09 18:37 H5开发技术 阅读(123) 评论(0) 推荐(0) 编辑
【leetcode】N-Queens
摘要： N-QueensThen-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all... 阅读全文
posted @ 2015-01-09 18:30 H5开发技术 阅读(166) 评论(0) 推荐(0) 编辑