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leetCode 52.N-Queens II (n皇后问题II) 解题思路和方法
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...
分类:其他好文   时间:2015-07-13 16:19:17    阅读次数:111
leetCode 51.N-Queens (n皇后问题) 解题思路和方法
N-Queens  The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n-quee...
分类:其他好文   时间:2015-07-13 14:02:20    阅读次数:114
nova的手工安装
Controller:yuminstallopenstack-nova-apiopenstack-nova-certopenstack-nova-conductor\openstack-nova-consoleopenstack-nova-novncproxyopenstack-nova-schedulerpython-novaclient配置nova的数据库连接:openstack-config--set/etc/nova/nova.conf\databaseconnectionmysq..
分类:其他好文   时间:2015-07-12 21:49:58    阅读次数:276
[leedcode 52] N-Queens II
Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.public class Solution { ...
分类:其他好文   时间:2015-07-12 17:01:11    阅读次数:107
[leedcode 51] N-Queens
Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all distinc...
分类:其他好文   时间:2015-07-12 16:58:46    阅读次数:142
leetcode N-Queens/N-Queens II, backtracking, C++
leetcode N-Queens/N-Queens II, backtracking, C++...
分类:编程语言   时间:2015-07-09 09:47:57    阅读次数:218
openstack之Nova
一、Nova简介及其核心组件: Nove在openstack中提供计算服务; Nova核心模块: Controller Nova-api:提供API,包括命令行API; Nova-schedule: (各节点)资源的调度; Nova-conductor:提供数据库连接代理,通...
分类:其他好文   时间:2015-07-09 00:43:33    阅读次数:164
nova 详解
Nova是什么?Openstack有Rackspace和NASA共同开发的云计算平台,类似于AmozonEC2和S3的云基础架构;超过140家企业及18470开发者参与。nova在openstack的地位:nova的架构:nova的核心模块:controller:nova-apinova-schedulenova-conductor(数据库代理)负载均衡nova-console..
分类:其他好文   时间:2015-07-08 22:49:14    阅读次数:223
KVM虚拟化存储池管理
1、安装环境时一不小心,centos安装完成后,发现,/分区分的很小,如下:看来KVM存储池只能建到/home分区了[root@nova~]#df-hFilesystemSizeUsedAvailUse%Mountedon/dev/mapper/vg_nova-lv_root50G23G24G49%/tmpfs7.8G392K7.8G1%/dev/shm/dev/sda1485M40M420M9%/boot/dev/mappe..
分类:其他好文   时间:2015-07-08 14:58:20    阅读次数:734
LeetCode52:N-Queens II
Follow up for N-Queens problem. Now, instead outputting board configurations, return the total number of distinct solutions. 和N-Queens 同样的解法。class Solution { public: int totalNQueens(int n...
分类:其他好文   时间:2015-07-07 19:35:23    阅读次数:135
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