 |
| ||||
Home Page
F.A.Qs
Statistical Charts
Past Contests
Scheduled Contests
Award Contest
| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
Re:做了N久，是因为一句话没理解。。。。。。汗了In Reply To:做了N久，是因为一句话没理解。。。。。。汗了 Posted by:Berry at 2007-08-08 19:43:58 可以这样理解，一个H-semi-prime是由两个H-prime的乘积构成的，如果它是由3个H-prime的乘积构成的，例如125=5*5*5=5*25，可以看到其中一个不是H-prime。所以不是H-semi-prime Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator
