打牌 1
重新学了一遍记忆化搜索实现的数位 dp,谈一下理解,毕竟我是普及组小朋友。这个东西的实际意义大概就是通过将「有上界限制的分支使用搜索实现,一般的分支使用 dp 转移」的手法,将带有上界限制的数位...
In mathematics you don't understand things, you just get used to them.
In mathematics you don't understand things, you just get used to them.