点分治板子求调,Sub#3全TLE

P3806 【模板】点分治 1

@[ikun_zhs](/user/739250) calc 清空时改成循环清空试试?
by OldDriverTree @ 2023-07-12 14:51:47


@[OldDriverTree](/user/681036) OK
by SmileMask @ 2023-07-12 14:53:51


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