常熟大佬 hhyz？
by Wu1hong2shen3_why_42 @ 2024-02-16 22:32:08
这题好像卡线段树套线段树，可以用树状数组套线段树
by Wu1hong2shen3_why_42 @ 2024-02-16 22:33:03
不过 40pts 好像是暴力 $O(N^2)$ 的分数？
by Wu1hong2shen3_why_42 @ 2024-02-16 22:36:15
@[Wu1hong2shen3_why_42](/user/743127) %%%但我真不是 $O(n^2)$，我试试树状数组吧
by Voluminousness @ 2024-02-17 16:55:41