「codeforces - gym102331H」Honorable Mention
link. 单次询问的做法是平凡的,令 $f_i(k)$ 表示将前 $i$ 个元素划分出了 $k$ 段的最大值,有转移:$$
f_i(k) = \m...
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.