 |
| ||||
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 | |||||||||
好方法。In Reply To:状态的话只需要记录云的四个角落7天内的到达情况就可以了 Posted by:Tangoforever at 2008-10-29 13:31:06 > 充分性：假如四个角落7天内都到了，就能保证16个格子7天内都曾经有雨 > 必要性：四个角落各掌控着一个特殊的格子，必须要到达这个角落才能令到这格子下雨 Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator
