关于大多数题解没有考虑终点

P2678 [NOIP2015 提高组] 跳石头

```LaTeX $\frac{11}{898}$ ``` $$\frac{11}{898}$$
by pbcoding @ 2024-01-20 11:28:27


@[Joker_Error_404](/user/745288) 谢谢,谢谢!
by woshiywx @ 2024-01-21 17:05:30


$ヾ(≧O≦)〃嗷~$ $ ლ(⌒▽⌒ლ)$
by Joker_Error_404 @ 2024-01-21 19:52:14


|