Computer Systems A Programmer's Perspective Second Edition Of course, we are glossing over many difficult issues here. What if different net- works ha ...
分类：
Web程序 时间：
2016-12-17 01:58:40
阅读次数：
251
https://en.wikipedia.org/wiki/K-means_clustering k-means clustering is a method of vector quantization, originally from signal processing, that is pop ...
分类：
其他好文 时间：
2016-12-14 20:59:53
阅读次数：
154
题意：ACM比赛中，共M道题，T个队，pij表示第i队解出第j题的概率 ，求每队至少解出一题且冠军队至少解出N道题的概率。 析：概率DP，dp[i][j][k] 表示第 i 个队伍，前 j 个题，解出 k 个题的概率，sum[i][j] 表示第 i 个队伍，做出 1-j 个题的概率，ans1等于， ...
分类：
其他好文 时间：
2016-12-03 23:28:20
阅读次数：
208
Dragon Balls Problem Description Five hundred years later, the number of dragon balls will increase unexpectedly, so it\\\\\\\'s too difficult for Mon ...
分类：
其他好文 时间：
2016-11-24 06:23:03
阅读次数：
426
Problem Description I’m out of stories. For years I’ve been writing stories, some rather silly, just to make simple problems look difficult and comple ...
分类：
其他好文 时间：
2016-11-19 09:48:52
阅读次数：
212
Buy Tickets Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 19012 Accepted: 9442 Description Railway tickets were difficult to buy around t ...
分类：
编程语言 时间：
2016-11-16 14:56:18
阅读次数：
243
Don't follow the crowd, let the crowd follow you. 不要随波逐流，要引领潮流。 But to be a good follower is already very difficult for me, not to mention to be a goo ...
分类：
其他好文 时间：
2016-11-10 02:55:21
阅读次数：
157
Buy Tickets Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 18936 Accepted: 9401 Description Railway tickets were difficult to buy around t ...
分类：
其他好文 时间：
2016-10-29 02:10:59
阅读次数：
205
It is unclear which exceptions that can be thrown from the methods. It might be difficult to document and understand the vague interfaces. Use either ...
分类：
其他好文 时间：
2016-10-25 13:40:34
阅读次数：
311
2016年10月15日 星期六 --出埃及记 Exodus 18:26They served as judges for the people at all times. The difficult cases they brought to Moses, but the simple ones t ...
分类：
其他好文 时间：
2016-10-17 09:23:50
阅读次数：
180
