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Codeforces Round #396 (Div. 2) C题Mahmoud and a Message(dp)解题报告
Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strings. He wrote it on a magical paper ...
分类:其他好文   时间:2017-02-10 01:43:56    阅读次数:264
Pendant
Pendant Problem Description On Saint Valentine's Day, Alex imagined to present a special pendant to his girl friend made by K kind of pearls. The pend ...
分类:其他好文   时间:2017-02-09 23:33:16    阅读次数:367
CentOS Linux解决Device eth0 does not seem to be present【转】
在VMware里克隆出来的CentOS Linux。。 ifconfig...没有看到eth0.。然后重启网卡又报下面错误。 故障现象: service network restartShutting down loopback insterface: [ OK ]Bringing up loopb ...
分类:系统相关   时间:2017-02-08 13:03:37    阅读次数:226
VMWare复制虚拟机系统后,模块“Disk”无法启动【转】
1、找到虚拟机所在的目录 将 .vmx文件打开 将文件vmci0.present = "TRUE" 改为 vmci0.present = "FALSE" 2、删除以.lck为后缀名的文件 3、重新打开虚拟机 1、找到虚拟机所在的目录 将 .vmx文件打开 将文件vmci0.present = "TR ...
分类:系统相关   时间:2017-02-08 12:57:49    阅读次数:206
How can I list colors in WPF with XAML?
How can I get list of all colors I can pick in Visual Studio Designer (which is System.Windows.Media.Colors, but that isn't a collection) and put them ...
分类:Windows程序   时间:2017-02-07 13:38:43    阅读次数:236
Swift - 警告提示框(UIAlertController)的用法
import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() } override func touchesBegan(touches: Set, wit... ...
分类:编程语言   时间:2017-02-07 10:54:17    阅读次数:216
FFmpeg 'scale' filter not present, cannot convert pixel formats.
使用FFmpeg的过程中遇到这个问题,记录一下解决办法。 ...
分类:其他好文   时间:2017-02-06 19:40:26    阅读次数:713
图片压缩
压缩图片质量 通过 UIImage 和 NSData 的相互转化,减小 JPEG 图片的质量来压缩图片。UIImageJPEGRepresentation:: 第二个参数 compression 取值 0.0~1.0,值越小表示图片质量越低,图片文件自然越小。 压缩图片尺寸 其他方法 ...
分类:其他好文   时间:2017-02-06 16:51:02    阅读次数:131
HDU-1520 Anniversary party (树形DP)
Problem Description There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical st ...
分类:其他好文   时间:2017-02-03 10:34:51    阅读次数:250
371. Sum of Two Integers
题目 Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example:Given a = 1 and b = 2, return 3. 分析 不用+ - 号 ...
分类:其他好文   时间:2017-02-01 20:49:49    阅读次数:266
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