05 2014 档案

【LeetCode】27. Remove Element (2 solutions)
摘要：Remove ElementGiven an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. ... 阅读全文
posted @ 2014-05-31 23:44 陆草纯 阅读(282) 评论(0) 推荐(0) 编辑
【LeetCode】45. Jump Game II
摘要：Jump Game IIGiven an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents... 阅读全文
posted @ 2014-05-30 20:19 陆草纯 阅读(7211) 评论(4) 推荐(0) 编辑
【LeetCode】48. Rotate Image (2 solutions)
摘要：Rotate ImageYou are given an n x n 2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up: Could you do this in-place?最简... 阅读全文
posted @ 2014-05-28 23:25 陆草纯 阅读(265) 评论(0) 推荐(0) 编辑
【LeetCode】130. Surrounded Regions (2 solutions)
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 @ 2014-05-27 15:21 陆草纯 阅读(3980) 评论(0) 推荐(0) 编辑
【LeetCode】28. Implement strStr() (2 solutions)
摘要：Implement strStr()Implement strStr().Returns a pointer to the first occurrence of needle in haystack, ornullif needle is not part of haystack.解法一：暴力解c... 阅读全文
posted @ 2014-05-26 21:58 陆草纯 阅读(4717) 评论(1) 推荐(0) 编辑
【LeetCode】26. Remove Duplicates from Sorted Array
摘要：Remove Duplicates from Sorted ArrayGiven a sorted array, remove the duplicates in place such that each element appear only once and return the new len... 阅读全文
posted @ 2014-05-24 23:20 陆草纯 阅读(203) 评论(0) 推荐(0) 编辑
【LeetCode】79. Word Search
摘要：Word SearchGiven a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, wh... 阅读全文
posted @ 2014-05-23 13:42 陆草纯 阅读(2710) 评论(0) 推荐(0) 编辑
【LeetCode】91. Decode Ways
摘要：Decode WaysA message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded me... 阅读全文
posted @ 2014-05-20 20:19 陆草纯 阅读(442) 评论(0) 推荐(0) 编辑
【LeetCode】80. Remove Duplicates from Sorted Array II (2 solutions)
摘要：Remove Duplicates from Sorted Array IIFollow up for "Remove Duplicates":What if duplicates are allowed at mosttwice?For example,Given sorted array A =... 阅读全文
posted @ 2014-05-19 19:38 陆草纯 阅读(1123) 评论(0) 推荐(0) 编辑
【LeetCode】1. Two Sum
摘要：Two SumGiven an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the... 阅读全文
posted @ 2014-05-14 22:38 陆草纯 阅读(6922) 评论(0) 推荐(1) 编辑
【LeetCode】141. Linked List Cycle (2 solutions)
摘要：Linked List CycleGiven a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?解法一：使用unordered_map记录当前节点... 阅读全文
posted @ 2014-05-14 22:18 陆草纯 阅读(327) 评论(0) 推荐(0) 编辑
【LeetCode】120. Triangle (3 solutions)
摘要：TriangleGiven a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given... 阅读全文
posted @ 2014-05-12 22:58 陆草纯 阅读(295) 评论(0) 推荐(0) 编辑
【LeetCode】121. Best Time to Buy and Sell Stock
摘要：Best Time to Buy and Sell StockSay you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to compl... 阅读全文
posted @ 2014-05-10 22:57 陆草纯 阅读(2537) 评论(0) 推荐(0) 编辑
【LeetCode】115. Populating Next Right Pointers in Each Node (2 solutions)
摘要：Populating Next Right Pointers in Each NodeGiven a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLi... 阅读全文
posted @ 2014-05-09 11:36 陆草纯 阅读(307) 评论(0) 推荐(0) 编辑
【LeetCode】142. Linked List Cycle II (2 solutions)
摘要：Linked List Cycle IIGiven a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without u... 阅读全文
posted @ 2014-05-08 13:29 陆草纯 阅读(1581) 评论(0) 推荐(0) 编辑
【LeetCode】55. Jump Game
摘要：Jump GameGiven an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents yo... 阅读全文
posted @ 2014-05-04 20:48 陆草纯 阅读(513) 评论(0) 推荐(0) 编辑
【LeetCode】128. 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 @ 2014-05-02 16:39 陆草纯 阅读(1839) 评论(0) 推荐(0) 编辑
【LeetCode】75. Sort Colors (3 solutions)
摘要：Sort ColorsGiven an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the or... 阅读全文
posted @ 2014-05-02 10:32 陆草纯 阅读(6837) 评论(1) 推荐(0) 编辑

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