@[Domoo](/user/535848) 为了方便计算/编程
by gtafics @ 2023-07-12 16:10:20
@[Domoo](/user/535848)
```
a[i-1-k]
```
这可能是`a[0]`
建议用正常的dp方法而不是找规律
by __LYY_p @ 2023-07-12 16:16:35
@[__LYY_p](/user/283255) 橙题需要用到dp吗TvT本䈮篛不会
by Domoo @ 2023-07-12 22:15:30
@[Domoo](/user/535848) [p1216](https://www.luogu.com.cn/problem/P1216)?
by mediocre_ @ 2023-07-13 09:49:07
@[Domoo](/user/535848) ~~其实很多橙题用dp的啦~~
by mediocre_ @ 2023-07-13 09:50:12