现有一个序列a1,a2,a3,···,an。
设
其中1<=i<=n,
1<=j<=n且要保证ai>=aj
求f(i,j)的最大值。(结果保留六位小数)
1
5
1 2 3 4 5
0.979796
Anything about this OnlineJudge, Please Contact Administrator. Click add QQ
OJ system based on HUSTOJ Project , UI based on Twitter Bootstrap
Copyright 2016 ACM算法攻关部