所以这题与树套树,线段树,树状数组有什么关系

P3336 [ZJOI2013] 话旧

@[Robinzh](/space/show?uid=53807) Orz巨佬怒切黑题
by YLWang @ 2019-02-21 20:10:25


@[破壁人四号](/space/show?uid=55078) 您都AC了吧,我还WA 5点
by Erusel @ 2019-02-21 20:12:23


@[Robinzh](/space/show?uid=53807) 开long long AC了
by Erusel @ 2019-02-21 20:12:56


![23333](https://cdn.luogu.com.cn/upload/pic/52405.png )
by Erusel @ 2019-02-21 20:13:59


@[Robinzh](/space/show?uid=53807) OrzOrztqltqlddwddw
by YLWang @ 2019-02-21 20:29:14


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