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2015年1月3日
【leetcode】First Missing Positive
摘要： First Missing PositiveGiven an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]return2.Yo... 阅读全文
posted @ 2015-01-03 16:35 H5开发技术 阅读(146) 评论(0) 推荐(0)
【leetcode】Edit Distance
摘要： Edit DistanceGiven two wordsword1andword2, find the minimum number of steps required to convertword1toword2. (each operation is counted as 1 step.)You... 阅读全文
posted @ 2015-01-03 16:06 H5开发技术 阅读(225) 评论(0) 推荐(0)
【leetcode】Container With Most Water
摘要： Container With Most WaterGivennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such t... 阅读全文
posted @ 2015-01-03 15:05 H5开发技术 阅读(162) 评论(0) 推荐(0)
【leetcode】Reverse Linked List II
摘要： Reverse Linked List IIReverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return... 阅读全文
posted @ 2015-01-03 12:19 H5开发技术 阅读(179) 评论(0) 推荐(0)
【leetcode】Path Sum II
摘要： Path Sum IIGiven a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tr... 阅读全文
posted @ 2015-01-03 11:37 H5开发技术 阅读(172) 评论(0) 推荐(0)
【leetcode】Binary Tree Maximum Path Sum
摘要： Binary Tree Maximum Path SumGiven a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the be... 阅读全文
posted @ 2015-01-03 11:20 H5开发技术 阅读(149) 评论(0) 推荐(0)
【leetcode】Restore IP Addresses
摘要： Restore IP AddressesGiven a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"255255... 阅读全文
posted @ 2015-01-03 10:52 H5开发技术 阅读(202) 评论(0) 推荐(0)
2015年1月1日
【leetcode】Binary Search Tree Iterator
摘要： Binary Search Tree IteratorImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callin... 阅读全文
posted @ 2015-01-01 16:40 H5开发技术 阅读(214) 评论(0) 推荐(0)
【leetcode】Palindrome Partitioning II
摘要： Palindrome Partitioning IIGiven a strings, partitionssuch that every substring of the partition is a palindrome.Return the minimum cuts needed for a p... 阅读全文
posted @ 2015-01-01 15:17 H5开发技术 阅读(158) 评论(0) 推荐(0)
2014年12月30日
【leetcode】Best Time to Buy and Sell Stock III
摘要： Best Time to Buy and Sell Stock IIISay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the... 阅读全文
posted @ 2014-12-30 21:53 H5开发技术 阅读(183) 评论(0) 推荐(0)
【leetcode】Best Time to Buy and Sell Stock II
摘要： Best Time to Buy and Sell Stock IISay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the ... 阅读全文
posted @ 2014-12-30 20:52 H5开发技术 阅读(214) 评论(0) 推荐(0)
【leetcode】Longest Consecutive Sequence
摘要： Longest Consecutive SequenceGiven an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4... 阅读全文
posted @ 2014-12-30 20:26 H5开发技术 阅读(211) 评论(0) 推荐(0)
【leetcode】Factorial Trailing Zeroes
摘要： Factorial Trailing ZeroesGiven an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.统计末尾... 阅读全文
posted @ 2014-12-30 16:52 H5开发技术 阅读(506) 评论(2) 推荐(0)
2014年12月29日
【leetcode】Simplify Path
摘要： Simplify PathGiven an absolute path for a file (Unix-style), simplify it.For example,path="/home/", =>"/home"path="/a/./b/../../c/", =>"/c"click to sh... 阅读全文
posted @ 2014-12-29 21:24 H5开发技术 阅读(252) 评论(0) 推荐(0)
【leetcode】Generate Parentheses
摘要： Generate ParenthesesGivennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a sol... 阅读全文
posted @ 2014-12-29 21:23 H5开发技术 阅读(153) 评论(0) 推荐(0)
【leetcode】Combination Sum II
摘要： Combination Sum IIGiven a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sum... 阅读全文
posted @ 2014-12-29 21:22 H5开发技术 阅读(203) 评论(0) 推荐(0)
【leetcode】Combination Sum
摘要： Combination SumGiven a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thes... 阅读全文
posted @ 2014-12-29 21:20 H5开发技术 阅读(170) 评论(0) 推荐(0)
【leetcode】Subsets II
摘要： Subsets IIGiven a collection of integers that might contain duplicates,S, return all possible subsets.Note:Elements in a subset must be in non-descend... 阅读全文
posted @ 2014-12-29 21:19 H5开发技术 阅读(188) 评论(0) 推荐(0)
【leetcode】Subsets
摘要： SubsetsGiven a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must... 阅读全文
posted @ 2014-12-29 21:18 H5开发技术 阅读(165) 评论(0) 推荐(0)
【leetcode】Letter Combinations of a Phone Number
摘要： Letter Combinations of a Phone NumberGiven a digit string, return all possible letter combinations that the number could represent.A mapping of digit ... 阅读全文
posted @ 2014-12-29 21:17 H5开发技术 阅读(204) 评论(0) 推荐(0)
2014年12月28日
【leetcode】Longest Palindromic Substring
摘要： Longest Palindromic SubstringGiven a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there... 阅读全文
posted @ 2014-12-28 22:45 H5开发技术 阅读(203) 评论(0) 推荐(0)
【leetcode】4Sum
摘要： 4SumGiven an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the sum... 阅读全文
posted @ 2014-12-28 20:03 H5开发技术 阅读(187) 评论(0) 推荐(0)
【leetcode】3Sum
摘要： 3SumGiven an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:El... 阅读全文
posted @ 2014-12-28 19:36 H5开发技术 阅读(170) 评论(0) 推荐(0)
【leetcode】Excel Sheet Column Number
摘要： Excel Sheet Column NumberRelated to questionExcel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corresponding column ... 阅读全文
posted @ 2014-12-28 19:01 H5开发技术 阅读(263) 评论(0) 推荐(0)
2014年12月27日
【leetcode】Palindrome Partitioning
摘要： Palindrome PartitioningGiven a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioni... 阅读全文
posted @ 2014-12-27 22:53 H5开发技术 阅读(168) 评论(0) 推荐(0)
【leetcode】Implement strStr()
摘要： Implement strStr()Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.最简单的思路，逐... 阅读全文
posted @ 2014-12-27 21:38 H5开发技术 阅读(209) 评论(0) 推荐(0)
2014年12月26日
【leetcode】Sudoku Solver
摘要： Sudoku SolverWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that the... 阅读全文
posted @ 2014-12-26 21:59 H5开发技术 阅读(165) 评论(0) 推荐(0)
2014年12月25日
【leetcode】Interleaving String
摘要： Interleaving StringGivens1,s2,s3, find whethers3is formed by the interleaving ofs1ands2.For example,Given:s1="aabcc",s2="dbbca",Whens3="aadbbcbcac", r... 阅读全文
posted @ 2014-12-25 22:54 H5开发技术 阅读(158) 评论(0) 推荐(0)
【UGUI】Canvas和Rect Transform
摘要： Canvas1.所有的UI元件都需要放在Canvas里2.UI元件的绘制顺序，与在 Hierarchy的顺序相同，在上面的元素会先被绘制，位于后续绘制元素的下面3.可以选择3种不同的渲染模式：Screen Space - Overlay类似于深度摄像机，会将UI渲染到游戏场景的最前面Screen S... 阅读全文
posted @ 2014-12-25 19:18 H5开发技术 阅读(479) 评论(0) 推荐(0)
2014年12月24日
【leetcode】Roman to Integer
摘要： Roman to IntegerGiven a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.罗马数字有如下符号：基本字符IVXLCDM阿拉伯数字15... 阅读全文
posted @ 2014-12-24 22:36 H5开发技术 阅读(179) 评论(0) 推荐(0)
【leetcode】Valid Sudoku
摘要： Valid SudokuDetermine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are ... 阅读全文
posted @ 2014-12-24 22:06 H5开发技术 阅读(209) 评论(0) 推荐(0)
【leetcode】Sort List
摘要： Sort ListSort a linked list inO(nlogn) time using constant space complexity.需要采用归并排序对链表进行操作。归并排序思想：每次选取链表中间元素，把链表分割成两部分，递归分割，直到链表中的元素是有序的时候（即只有一个元素时候）... 阅读全文
posted @ 2014-12-24 21:24 H5开发技术 阅读(175) 评论(0) 推荐(0)
【leetcode】Majority Element
摘要： Majority ElementGiven an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times.You may ass... 阅读全文
posted @ 2014-12-24 18:44 H5开发技术 阅读(250) 评论(0) 推荐(0)
2014年12月21日
【leetcode】String to Integer (atoi)
摘要： String to Integer (atoi)Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a challenge, plea... 阅读全文
posted @ 2014-12-21 22:23 H5开发技术 阅读(189) 评论(0) 推荐(0)
【leetcode】Merge Sorted Array
摘要： Merge Sorted ArrayGiven two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that i... 阅读全文
posted @ 2014-12-21 21:05 H5开发技术 阅读(173) 评论(0) 推荐(0)
【leetcode】Trapping Rain Water
摘要： Trapping Rain WaterGivennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to tr... 阅读全文
posted @ 2014-12-21 20:49 H5开发技术 阅读(258) 评论(0) 推荐(0)
2014年12月20日
【leetcode】Search in Rotated Sorted Array II
摘要： Search in Rotated Sorted Array IIFollow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity... 阅读全文
posted @ 2014-12-20 23:03 H5开发技术 阅读(152) 评论(0) 推荐(0)
【leetcode】Search in Rotated Sorted Array
摘要： Search in Rotated Sorted ArraySuppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).... 阅读全文
posted @ 2014-12-20 22:57 H5开发技术 阅读(183) 评论(0) 推荐(0)
【leetcode】Excel Sheet Column Title
摘要： Excel Sheet Column TitleGiven a non-zero positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -> A ... 阅读全文
posted @ 2014-12-20 19:17 H5开发技术 阅读(231) 评论(0) 推荐(0)
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