crz_qwq @ 2024-07-08 19:45:33
这题是否有O(Q\sqrt n)做法？
by Dark_Star @ 2024-07-08 20:01:08
将 \log_2{\sqrt{n}}当做常数就可以了。
by yhylivedream @ 2024-07-08 20:03:08
@crz_qwq 分散层叠
by 添哥 @ 2024-07-15 14:27:12
@crz_qwq 转化成区间加任意数区间查询正数个数，然后就可以按P4118的做法做了（