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[ACM] POJ 1942 Paths on a Grid (组合)
解题思路: 简单题,求解 C(n+m, m) . 代码: #include #include using namespace std; long long c(long long n,long long m) { long long ans=1; for(int i=1;i<=m;i++) ans=ans*(n--)/i; return ans;...
分类:其他好文   时间:2014-07-23 13:18:27    阅读次数:234
iOS集成alipay无线应用sdk错误问题
今天下载alipay无线应用sdk,首选感觉:我靠,藏的真深!下载后commad+R发现报错了。具体错误信息如图:解决办法是将library search paths 里面的东西去掉所有的\\\ 坑爹啊!如图:
分类:移动开发   时间:2014-07-22 22:54:57    阅读次数:242
LeetCode "Unique Paths"
Now I believe thoughts leading to DP is brutal DFS.. DFS is brutal force enumeration, but that's too much and naive. We need pruning. So, DFS + Prunin...
分类:其他好文   时间:2014-07-22 22:40:34    阅读次数:183
【leetcode刷题笔记】Unique Paths II
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
分类:其他好文   时间:2014-07-22 00:28:36    阅读次数:169
ntpath join(path, *paths) 发生UnicodeDecodeError的Bug的解决方案
最近在学习用Python开发web,使用的是web框架,在win8.1平台下安装SAE和Flask的时候总是在ntpath.py这个UnicodeDecodeError模块报错。84行 result_path = result_path+ p_path 显示的错误就是UnicodeDecode...
分类:其他好文   时间:2014-07-21 08:20:06    阅读次数:212
LA 4015
It is said that the people of Menggol lived in caves. A tribe's caves were connected to each other with paths. The paths were so designed that there w...
分类:其他好文   时间:2014-07-19 19:03:48    阅读次数:344
iOS第三方类库之FMDatabase
FMDatabase 的使用方法- (NSString*) getPath { NSArray* paths =NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES) ; return[[pathso...
分类:移动开发   时间:2014-07-18 10:08:04    阅读次数:342
Leetcode Unique Paths II
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
分类:其他好文   时间:2014-07-16 18:09:43    阅读次数:209
php-fpm.conf配置说明(重点要修改和优化的地方)
All relative paths in this config are relative to php's install prefix Pid file /usr/local/php/logs/php-fpm.pid Error log file /usr/local/php/logs/php-fpm.log Log level notice Whe...
分类:Web程序   时间:2014-07-13 16:26:05    阅读次数:248
二分图最大匹配 -- 匈牙利算法
Algorithm.( Augmenting Path Algorithm ) Input:     An X-Y bigraph G, a matching M in G,     and the set U of M-unsaturated vertices in X.          Idea:     Explore M-alternating paths form...
分类:其他好文   时间:2014-07-10 23:03:47    阅读次数:211
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