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原创 hdu1100:Trees Made to Order
需要知识点:1、卡特兰数2、二叉树排序3、迭代#include#includeint catalan[] = {1,1,2,5,14,42,132,429,1430,4862,16796,58786,208012, 742900,2674440,9694845,35357670,129644790,477638700 };void sprite
2015-09-20 11:40:39
447
原创 tomcat一闪而过
这次遇到tomcat的startup.bat启动后就一闪而过,一开始查了很多资料都无法解决。后来听别人讲,在dos下用catlina.bat run在bin目录下运行,马上找到了问题所在。原来conf目录下的server.xml文件出错,马上改正,一启动startup.bat,好了,不再一闪而过了!
2015-01-24 14:27:39
423
原创 UVA:11426 GCD - Extreme (II)
题目地址:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2421本题跟欧拉函数有关!设f[n]=gcd(1,n)+gcd(2,n)+....+gcd(n-1,n)如何快速求f[n]呢?i=gcd(x,n),g(n,i)为gcd(x,n)
2014-12-24 20:34:30
395
转载 使用python的内置ctypes模块与c、c++写的dll进行交互
原文地址:http://www.2cto.com/kf/201112/113910.html调用C编写的动态链接库代码示例from ctypes import * dll = CDLL("add.dll")#加载cdecl的dll。另外加载stdcall的dll的方式是WinDLL("dllpath") sum=dll.Add(1, 102) 若参数为指针p=1
2014-12-20 23:13:29
452
原创 学习boost::asio(1)
我的导师要我学下boost::asio,于是查找资料,上网,看英文文档,终于有所了解,于是写下该文!建立服务端和客户端,用到boost::asio等等。1)建立服务端#include "stdafx.h"#include#include#include#includeusing namespace boost::asio;us
2014-12-14 11:53:38
407
原创 新建android项目后,遇到的一些问题的解决方法:
若gen下没有R.java文件,则打开SDK manager看有木有三个都下载了:1)SDK tools2)SDK platform-tools3)SDk build-tools若src下没有文件,则看下SDK版本和adt版本有木有对应。
2014-12-13 15:16:23
446
转载 最新火狐手机浏览器如何通过firefox修改UA
下面我们来看看firefox修改UA的方法:1.我们首先在址栏输入about:config;2.点击打开,添加一个新设置;3.在设置点击选择类型:字符串;4.我们输入名称:general.useragent.override;5.这时候注意了,因为我们需要输入的值:Mozilla/5.0 (iPad; U; CPU OS 4_3_3 like Mac
2014-11-23 11:23:23
6991
原创 hdu3802:Ipad,IPhone 之快速矩阵幂+二分快速幂
题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=3802
2014-11-21 16:22:19
488
转载 用pyinstaller把python源文件打包成exe可执行文件
优点: 1. pyinstaller 是跨平台的可以用在linux和windows系统上 2. 操作非常简单,几个命令就搞定了,这个比py2exe容易用多了 缺点: 1. 打包后的体积过大,因为要带python.dll库,所以没有办法 2. 不能和tkinter 等库,打包成单独一个文件 使用方法: 1. 去官方网站http://ww
2014-11-18 19:54:29
620
原创 hdu1084:What is your grade?
题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=1084
2014-11-05 13:36:15
418
原创 hdu1053:Entropy 之霍夫曼编码
题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=1053
2014-11-02 21:38:50
409
原创 hdu2824:The Euler function
题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=2824
2014-11-02 10:48:45
273
原创 hdu2218:Don't be angry
题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=2218
2014-10-30 12:36:45
751
原创 hdu2412:Party at Hali-Bula map应用&&树形DP
题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=2412要注意的是:
2014-10-27 22:07:29
359
原创 hdu2047:阿牛的EOF牛肉串 之状态转移方程
问题出处:http://acm.hdu.edu.cn/showproblem.php?pid=2047
2014-10-13 14:42:54
615
原创 hdu2404:Permutation Recovery
Permutation RecoveryTime Limit: 10000/4000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 402 Accepted Submission(s): 287Problem DescriptionProfes
2014-10-08 15:31:17
407
原创 hdu2042:不容易系列之三 递推得解
不容易系列之(3)—— LELE的RPG难题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 30233 Accepted Submission(s): 12150Problem Description人称“AC
2014-10-07 10:24:04
381
原创 hdu :Tian Ji -- The Horse Racing 之贪心算法
import java.io.IOError;import java.io.InputStream;import java.io.InputStreamReader;import java.text.DecimalFormat;import java.lang.*;import java.util.*;public class Main { public static void m
2014-10-02 13:32:41
412
原创 hdu1023:Train Problem II 之大数相加和状态转移方程
Train Problem IITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5898 Accepted Submission(s): 3201Problem DescriptionAs we all
2014-09-22 15:49:50
304
原创 确定比赛名次 之拓扑排序
确定比赛名次Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12714 Accepted Submission(s): 5109Problem Description有N个比赛队(1 I
2014-09-17 18:51:14
377
原创 hdu1147:pick up sticks
Pick-up sticksTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2044 Accepted Submission(s): 769Problem DescriptionStan has n s
2014-09-16 18:27:41
509
原创 Word Amalgamation之 multimap的应用
Word AmalgamationTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2603 Accepted Submission(s): 1254Problem DescriptionIn millions
2014-09-14 23:26:41
337
原创 django 之设置media static
STATIC_URL = '/static/'STATICFILES_DIRS=( 'loginin/src/media', 'loginin/src/static',)#loginin/src/staticSTATIC_ROOT=os.path.join(BASE_DIR,'loginin/static').replace("\\","/")#me
2014-09-07 13:08:37
3122
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原创 django 之加载静态文件(Css.js.image)
在settings.py中设置:STATIC_URL = '/static/'# static _dirs#静态文件STATICFILES_DIRS=( 'pyproject1/src/static',)STATIC_ROOT =os.path.join(BASE_DIR, 'pyproject1/static').replace('\\','/')
2014-09-04 16:26:12
698
原创 当出现error: Unable to find vcvarsall.bat该如何处理
For Windows installations:While running setup.py for package installations, Python 2.7 searches for an installed Visual Studio 2008. You can trick Python to use a newer Visual Studio by setting the
2014-08-30 09:11:44
477
转载 一入python深似海--变量和对象
时间 2014-06-17 15:24:57 优快云博客相似文章 (0) 原文 http://blog.youkuaiyun.com/u010367506/article/details/31767761 添加到推刊收藏到推刊 创建推刊 收 藏取消 已收藏到推刊!
2014-08-29 21:55:35
333
转载 hdu1290:献给杭电五十周年校庆的礼物
http://blog.youkuaiyun.com/qq775445624/article/details/6708229
2014-08-28 14:27:38
326
原创 hdu1210:Eddy's 洗牌问题
Eddy's 洗牌问题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3281 Accepted Submission(s): 2197Problem DescriptionEddy是个ACMer,他不
2014-08-28 11:37:36
478
原创 hdu1013:Digital Roots
Digital RootsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 49017 Accepted Submission(s): 15249Problem DescriptionThe digita
2014-08-27 11:15:04
306
原创 hdu1110:Equipment Box 之计算几何
Equipment BoxTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1482 Accepted Submission(s): 351Problem DescriptionThere is a la
2014-08-26 21:13:39
588
原创 hdu1199:color the ball(离散化)
Color the BallTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4244 Accepted Submission(s): 1055Problem DescriptionThere are i
2014-08-23 11:04:41
471
原创 hdu1177:"Accepted today?" 之基数排序
"Accepted today?"Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2351 Accepted Submission(s): 1052Problem DescriptionDo you r
2014-08-22 14:06:01
432
原创 hdu1176:免费馅饼
免费馅饼Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25739 Accepted Submission(s): 8772Problem Description都说天上不会掉馅饼,但有一天gamebo
2014-08-22 09:13:36
294
转载 B树、B-树、B+树、B*树
B树 即二叉搜索树: 1.所有非叶子结点至多拥有两个儿子(Left和Right); 2.所有结点存储一个关键字; 3.非叶子结点的左指针指向小于其关键字的子树,右指针指向大于其关键字的子树; 如: B树的搜索,从根结点开始,如果查询的关键字与结点的关键字相等,那么就命中;
2014-08-21 15:33:07
276
原创 Tri Tiling 递推数组解
Tri TilingTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2138 Accepted Submission(s): 1225Problem DescriptionIn how many way
2014-08-17 15:42:52
527
原创 ACM:圆桌会议
圆桌会议Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 9 Accepted Submission(s) : 6Font: Times New Roman | Verdana | GeorgiaFont Size
2014-08-17 00:07:40
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