@[A_Passing_Creeper](/user/540363)
```
a[n + 1] = a[1];
for(int i = 2;i <= n + 1;i++){
ans += 1.0 / max(a[i] , a[i - 1]);
}
```
可能好一点（雾
by Auto_Accepted @ 2023-06-03 13:09:30
@[A_Passing_Creeper](/user/540363) orz,做国集题，今年进国集
by Rain_chr @ 2023-06-03 13:25:07
$\texttt{stO}$ @[A_Passing_Creeper](/user/540363) $\texttt{Orz}$
by Auto_Accepted @ 2023-06-03 13:26:08
@[违规用户名684254](/user/684254) 您才是大佬%%%
by ACPC @ 2023-06-03 14:27:39