然而这题不卡常，卡常的话平衡树能过？
by λᴉʍ @ 2017-12-09 17:21:17
看来我还是太弱了TAT
by newbie314159 @ 2017-12-09 17:26:16
话说这题正解是怎么做...
by Night_Aurora @ 2017-12-09 17:31:28
@[Night\_Aurora](/space/show?uid=25508) dalao您这题不是AC了吗
by newbie314159 @ 2017-12-09 17:32:11
@[Night\_Aurora](/space/show?uid=25508) 好吧您说官方解法，我也不会。。。。
by newbie314159 @ 2017-12-09 17:32:47
@[i7\_8700k](/space/show?uid=54979) 我是用超NOIP的数据结构耍赖过去的
by Night_Aurora @ 2017-12-09 17:35:03
反正在NOIP一定会因为常数被卡掉30
by Night_Aurora @ 2017-12-09 17:35:21
@[i7\_8700k](/space/show?uid=54979) ~~我怎么记得官方解法上了平衡树呢~~
by 权御天下 @ 2018-01-09 21:40:58
难道官方解法不是BIT吗？[滑稽.jpg]
by ViXbob @ 2018-02-04 20:33:56