此题的本质应该是发现区间结果唯一的性质,然后 dp 计算可达性,不过这题比较难以通过可达性计算答案所以顺带放 dp 里了。建议
by cmaths @ 2023-08-05 11:12:16
qbzc
by 8326abc @ 2023-08-05 11:17:49
qpzc
by some_side @ 2023-08-05 11:26:30
qpzc
by cy1999_de_dog @ 2023-08-05 14:43:19
楼主此贴的内容可以在贴一下吗?好像挂掉了我进不去hh
by liyishui2003 @ 2024-01-24 22:56:49