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[leetcode]Search in Rotated Sorted Array II
问题描述: Follow up for "Search in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time complexity? How and why? Write a function to determine if a given target is i...
分类:其他好文   时间:2014-12-04 23:21:47    阅读次数:461
UVA10205 - Stack 'em Up(模拟)
UVA10205 - Stack 'em Up(模拟) 题目链接 题目大意:给你52张牌,这些牌一开始就有个顺序。现在给你每次的洗牌动作,52个数Ai,表示第i个位置上的牌放到Ai位置。意思就是能够通过这次洗牌,可以将i位置上的牌放到Ai位置上。至于后面的牌要不要移动什么的,根本不考虑。反正就是通过这次的洗牌,我给你52个数,把每个位置上的牌更新了一下。 解题思路:之前的题意看错...
分类:其他好文   时间:2014-12-04 23:16:50    阅读次数:241
LeetCode[Array]: Rotate Image
You 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? 参考LeetCode[Array]: Spiral Matrix II的迭代思路,先完成最外环的旋转,然后...
分类:其他好文   时间:2014-12-04 21:43:42    阅读次数:282
MySQL分组然后取每个分组中按照某些字段排序的topN条数据
MySQL分组然后取每个分组中按照某些字段排序的topN条数据 建表 CREATE TABLE `t` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, `itime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UP...
分类:数据库   时间:2014-12-04 20:00:15    阅读次数:279
Android学习笔记:ActionBar使用介绍
一、基本概念最权威和官方的介绍请看google的api文档http://developer.android.com/training/basics/actionbar/setting-up.htmlhttp://developer.android.com/guide/topics/ui/action...
分类:移动开发   时间:2014-12-04 00:49:43    阅读次数:232
Linux学习笔记十二:进程管理
1、查看进程第一种,用w查看进程:[root@localhost ~]# w 05:22:23 up 14 min, 2 users, load average: 0.00, 0.02, 0.06USER TTY FROM LOGIN@ IDLE ...
分类:系统相关   时间:2014-12-04 00:39:58    阅读次数:396
leetcode. Linked List Cycle && Linked List Cycle ii
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?使用双指针fast和slow,fast每次走两步,slow每次走一步,如果fast追...
分类:其他好文   时间:2014-12-03 23:04:47    阅读次数:287
Search in Rotated Sorted Array II
Follow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Write a function to...
分类:其他好文   时间:2014-12-03 22:50:41    阅读次数:137
Two Sum
Given 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 two numbers such that they add up to the target, whe...
分类:其他好文   时间:2014-12-03 21:25:27    阅读次数:167
Populating Next Right Pointers in Each Node II
Follow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solution stil...
分类:其他好文   时间:2014-12-03 21:11:53    阅读次数:173
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