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leetcode || 86、Partition List
problem: Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the original relative order of...
分类:其他好文   时间:2015-04-14 19:45:50    阅读次数:149
【leetcode】Text Justification(hard) ☆
Given an array of words and a lengthL, format the text such that each line has exactlyLcharacters and is fully (left and right) justified.You should p...
分类:其他好文   时间:2015-04-14 19:35:33    阅读次数:107
Remove Duplicates from Sorted Array II -- leetcode
Follow up for "Remove Duplicates": What if duplicates are allowed at most twice? For example, Given sorted array A = [1,1,1,2,2,3], Your function should return length = 5, and A is now [1,1,2,...
分类:其他好文   时间:2015-04-14 18:09:17    阅读次数:119
[LeetCode]Duplicate Emails,解题报告
目录目录 题目 解题思路 AC SQL题目Write a SQL query to find all duplicate emails in a table named Person. Id Email 1 a@b.com 2 c@d.com 3 a@b.com For example, your query should return the following fo...
分类:其他好文   时间:2015-04-14 14:38:54    阅读次数:154
LRU Cache--LeetCode
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if t...
分类:系统相关   时间:2015-04-14 13:04:48    阅读次数:185
Remove Duplicates from Array II
题目:Follow up for "Remove Duplicates":What if duplicates are allowed at mosttwice?For example,Given sorted array A =[1,1,1,2,2,3],Your function should ...
分类:其他好文   时间:2015-04-13 20:47:32    阅读次数:129
Java之POI读取Excel的Package should contain a content type part [M1.13]] with root cause异常问题解决
引言: 在Java中,使用POI来进行excel的读取和解析是常用的一种做法;在office的excel中存在2007,2003两种不同的格式,通常情况下是以xls/xlsx的不同后缀来区分的,但用户可能不知道这个区别,所以会出现格式无法兼容的异常...
分类:编程语言   时间:2015-04-13 19:00:10    阅读次数:244
leetcode之Merge Two Sorted Lists
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.这道题是合并两个有...
分类:其他好文   时间:2015-04-13 18:25:38    阅读次数:97
activity 生命周期 http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for
331down voteacceptedSee it inActivity Lifecycle(at Android Developers).onCreate():Called when the activity is first created. This is where you should ...
分类:移动开发   时间:2015-04-13 16:38:35    阅读次数:385
Swap Nodes in Pairs--LeetCode
Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. You m...
分类:其他好文   时间:2015-04-13 12:58:22    阅读次数:77
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