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原创算法W18——Minimum Path Sum

题目：Minimum Path Sum 连接：https://leetcode.com/problems/minimum-path-sum/#/description 原题：Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimize

2017-06-28 16:13:14 230

原创算法W17——Continuous Subarray Sum

题目：523. Continuous Subarray Sum 连接：https://leetcode.com/problems/continuous-subarray-sum/#/description 原题： Given a list of non-negative numbers and a target integer k, write a function to check

2017-06-28 15:44:37 231

原创算法W16——Course Schedule

题目：Course Schedule 链接：https://leetcode.com/problems/course-schedule/#/description 原题： There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prereq

2017-06-12 22:47:46 273

原创算法W15——Permutations II

题目：Permutations II 连接：https://leetcode.com/problems/permutations-ii/#/description 原题： Given a collection of numbers that might contain duplicates, return all possible unique permutations. Fo

2017-06-02 16:33:02 201

原创算法W14——Permutations

题目：Permutations 连接：https://leetcode.com/problems/permutations/#/description 原题： Given a collection of distinct numbers, return all possible permutations. For example, [1,2,3] have the follo

2017-06-02 16:28:04 197

原创算法w13——Swap Nodes in Pairs

题目：leetcode 24.Swap Nodes in Pairs 链接：https://leetcode.com/problems/swap-nodes-in-pairs/#/description 原题： Given a linked list, swap every two adjacent nodes and return its head. For example,

2017-05-21 16:08:29 487

原创算法W12——Remove Nth Node From End of List

题目：leetcode 19.Remove Nth Node From End of List 链接：https://leetcode.com/problems/remove-nth-node-from-end-of-list/#/description 原题： Given a linked list, remove the nth node from the end of list a

2017-05-21 14:36:20 235

原创算法w11—— Generate Parentheses

题目：leetcode.22 Generate Parentheses 链接：https://leetcode.com/problems/generate-parentheses/#/description 原题： Given n pairs of parentheses, write a function to generate all combinations of well-fo

2017-05-07 22:17:40 236

原创算法w10—— Valid Sudoku

题目：leetcode 36.Valid Sudoku 地址：https://leetcode.com/problems/valid-sudoku/#/description 原题： Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be

2017-05-01 21:12:03 177

原创算法w9——Combination Sum

题目：leetcode 39. Combination Sum 地址：https://leetcode.com/problems/combination-sum/#/description 原题： Given a set of candidate numbers (C) (without duplicates) and a target number (T), find all un

2017-04-24 10:28:57 201

原创算法w7——4Sum

题目：leetcode18 4Sum 链接：https://leetcode.com/problems/4sum/#/description 原题： Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all un

2017-04-09 22:06:06 206

原创算法w5——ZigZag Conversion

题目：ZigZag Conversion 连接：https://leetcode.com/problems/zigzag-conversion/#/description 原题： The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you

2017-03-27 11:57:15 298

原创算法w4——Container With Most Water

题目：leetcode 11. Container With Most Water 链接：https://leetcode.com/problems/container-with-most-water/#/description 原题： Given n non-negative integers a1, a2, …, an, where each represents a point at c

2017-03-19 18:28:19 362

原创算法w3——Longest Palindromic Substring（leetcode 5）

题目： Longest Palindromic Substring 链接：https://leetcode.com/problems/longest-palindromic-substring/?tab=Description Given a string s, find the longest palindromic substring in s. You may assume th

2017-03-12 23:07:09 267

原创算法w2——Regular Expression Matching（leetcode 10）

题目：Regular Expression Matching（leetcode 10）链接：https://leetcode.com/problemset/algorithms/ Implement regular expression matching with support for '.' and '*'. '.' Matches any single character. '*

2017-03-05 22:24:58 335

原创算法——Longest Substring Without Repeating Characters

原题目摘自leetcode网站 Longest Substring Without Repeating Characters 题目： Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the

2017-02-26 22:56:42 248

原创算法系列——Longest Substring Without Repeating Characters