N-Queens II
Follow up for N-Queens problem.
Now, instead outputting board configurations, return the total number of distinct solutions.
思路：解决了上题，这题也就迎刃而解，或者说这题要不上题还要简单一些。
具体代码如下：
pub...
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其他好文 时间：
2015-07-13 16:19:17
阅读次数：
111
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?
思路：其实就是旋转数组，没有什么难度，代码如下：
public ...
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其他好文 时间：
2015-07-13 14:05:28
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569
Palindrome Linked ListGiven a singly linked list, determine if it is a palindrome.Follow up:Could you do it in O(n) time and O(1) space?https://leetco...
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编程语言 时间：
2015-07-12 17:00:30
阅读次数：
261
FMG:follow my girl. 前两天把，我妹子跟我说，老师布置得作业写不出来了，我说，给我看看，说不定我能帮到你。 拿过来一看，傻了眼了，为毛是servlet,jsp,tomcat啥啊。 博主为何如此蛋疼，因为博主对于Web这一块，只熟悉HTML/CSS/JS的内容，什么javaWe...
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编程语言 时间：
2015-07-12 00:05:16
阅读次数：
187
Palindrome Linked ListGiven a singly linked list, determine if it is a palindrome.Follow up:Could you do it in O(n) time and O(1) space?将链表拆成两半，后一半反转后...
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其他好文 时间：
2015-07-11 18:23:04
阅读次数：
155
386.You have just performed a FLASHBACK TABLE operation using the following command:
flashback table employees to scn 123456;
The employees table has triggers associated with it. Which of the follow...
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其他好文 时间：
2015-07-11 15:13:30
阅读次数：
153
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?In order to fulfill...
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其他好文 时间：
2015-07-11 13:35:43
阅读次数：
135
Given a singly linked list, determine if it is a palindrome.Follow up:
Could you do it in O(n) time and O(1) space?思路：
把链表一分为二，把右边的一半翻转，再逐个比对左右的链表即可。/**
* Definition for singly-linked list.
* struc...
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其他好文 时间：
2015-07-10 23:46:56
阅读次数：
388
题目：Follow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Write a function...
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其他好文 时间：
2015-07-10 18:28:45
阅读次数：
105
https://leetcode.com/problems/palindrome-linked-list/Given a singly linked list, determine if it is a palindrome.Follow up:Could you do it in O(n) tim...
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其他好文 时间：
2015-07-10 13:04:13
阅读次数：
66
