随笔分类 -  LEETCODE

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leetcode, java, algorithms
BackTracking
摘要：BackTracking (DFS) 39. Combination Sum Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candi 阅读全文
posted @ 2016-09-08 11:58 微微程序媛 阅读(166) 评论(0) 推荐(0)
5. Longest Palindromic Substring
摘要：Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longes 阅读全文
posted @ 2016-08-29 07:59 微微程序媛 阅读(115) 评论(0) 推荐(0)
Longest Substring Without Repeating Characters
摘要：Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the leng 阅读全文
posted @ 2016-08-29 04:56 微微程序媛 阅读(142) 评论(0) 推荐(0)
76. Minimum Window Substring My Submissions Question
摘要：Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). For example,S = "ADOBECOD 阅读全文
posted @ 2016-03-26 14:09 微微程序媛 阅读(147) 评论(0) 推荐(0)
142. Linked List Cycle II
摘要：博主决定认真刷题～～～ Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note: Do not modify the linked list. Follo 阅读全文
posted @ 2016-03-23 13:33 微微程序媛 阅读(195) 评论(0) 推荐(0)
N-Queens_review()
摘要：Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all distinc... 阅读全文
posted @ 2015-06-03 03:13 微微程序媛 阅读(154) 评论(0) 推荐(0)
1.Two Sum
摘要：博主忙毕业的事情，一个半月木有刷题，感觉手都生了....今天开始闭关修炼～～先拿道简单的题练练手Two Sum（熟悉吧熟悉吧）Given an array of integers, find two numbers such that they add up to a specific target... 阅读全文
posted @ 2015-05-30 06:16 微微程序媛 阅读(211) 评论(0) 推荐(0)
valid sudoku
摘要：Determine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with ... 阅读全文
posted @ 2015-04-16 05:14 微微程序媛 阅读(94) 评论(0) 推荐(0)
Plus One
摘要：Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at... 阅读全文
posted @ 2015-04-13 07:41 微微程序媛 阅读(135) 评论(0) 推荐(0)
Add Binary
摘要：Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".博主对于自己那冗长的代码真是累感不爱了～连注释都不用标了，特别清晰明了，捂脸逃走～只能安慰自己... 阅读全文
posted @ 2015-04-13 02:48 微微程序媛 阅读(150) 评论(0) 推荐(0)
Permutation Sequence
摘要：The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie... 阅读全文
posted @ 2015-04-12 12:43 微微程序媛 阅读(199) 评论(0) 推荐(0)
Length of Last Word
摘要：Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe... 阅读全文
posted @ 2015-04-12 04:37 微微程序媛 阅读(118) 评论(0) 推荐(0)
Spiral Matrix 1&2
摘要：1.Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ... 阅读全文
posted @ 2015-04-11 15:58 微微程序媛 阅读(155) 评论(0) 推荐(0)
Max subarray
摘要：Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[−2,1,−3,4,−1,2,1,... 阅读全文
posted @ 2015-04-11 11:43 微微程序媛 阅读(247) 评论(0) 推荐(0)
pow
摘要：public class Solution { public static double Power(double x ,int n){ if(n==0){ return 1; } double v=Power(x,n/2); ... 阅读全文
posted @ 2015-04-11 07:11 微微程序媛 阅读(219) 评论(0) 推荐(0)
Rotate Image
摘要：You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?solution:找规律 int[i]... 阅读全文
posted @ 2015-04-11 05:27 微微程序媛 阅读(114) 评论(0) 推荐(0)
Jump Game II
摘要：Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu... 阅读全文
posted @ 2015-04-10 07:45 微微程序媛 阅读(118) 评论(0) 推荐(0)
43.Multiply Strings
摘要：Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non-nega... 阅读全文
posted @ 2015-04-10 04:42 微微程序媛 阅读(108) 评论(0) 推荐(0)
Trapping Rain Water
摘要：Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.Fo... 阅读全文
posted @ 2015-04-09 13:25 微微程序媛 阅读(113) 评论(0) 推荐(0)
First Missing Positive
摘要：Given an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]return2.Your algorithm should ru... 阅读全文
posted @ 2015-04-09 11:52 微微程序媛 阅读(110) 评论(0) 推荐(0)

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