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 |
低么? 相当高了In Reply To:这题通过率这么低我感到很奇怪 Posted by:DancingBlue at 2006-06-26 20:20:25 > 就是个简单的数学多项式,注意到: > 0*a+0*b+c=n1; -> c=n1; (1) > 1*a+1*b+c=n2; -> a=n2-b-n1; (2) > 4*a+2*b+c=n2; -> b=(4*n2-3*n1-n3)/2; (3) > > 连立(1,2,3),可以求出abc,自然就得到了多项式,然后想求什么不就很简单了? > > > 一点拙见,抛砖引玉. Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator