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:请问公式是怎么推的阿?In Reply To:Re:请问公式是怎么推的阿? Posted by:huatao at 2008-03-23 10:27:06 > m = C(n,2); p = pow(2,m); > f(n) = p - (C(n,1)f(1)+C(n,2)f(2)+...+C(n,n-1)f(n-1)); Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator