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...
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其他好文 时间:
2014-12-04 23:21:47
阅读次数:
461
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...
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其他好文 时间:
2014-12-04 23:16:50
阅读次数:
241
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...
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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
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...
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数据库 时间:
2014-12-04 20:00:15
阅读次数:
279
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...
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移动开发 时间:
2014-12-04 00:49:43
阅读次数:
232
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 ...
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系统相关 时间:
2014-12-04 00:39:58
阅读次数:
396
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...
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其他好文 时间:
2014-12-03 23:04:47
阅读次数:
287
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...
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其他好文 时间:
2014-12-03 22:50:41
阅读次数:
137
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...
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其他好文 时间:
2014-12-03 21:25:27
阅读次数:
167
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...
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其他好文 时间:
2014-12-03 21:11:53
阅读次数:
173