xmtx20081011 @ 2021-09-23 21:27:57
暴力+1点点动归:
从n-1层开始倒推,然后比较下面1层的i和第i+1项,谁大选谁,最顶层不就是答案了吗?
by hkhkkk @ 2021-09-24 14:26:59
建议复习dp基础概念