@[fysbb](/space/show?uid=24425) get 到了，您分块 AC 来装 x 了
by memset0 @ 2018-12-21 22:58:00
@memset0这题用分块比线段树好写多了...
by fysbb @ 2018-12-21 23:01:55
@[memset0](/space/show?uid=53495) wyl不要怼人啊qaq
by Templaters @ 2018-12-21 23:25:00
@[fysbb](/space/show?uid=24425) Orz
by memset0 @ 2018-12-21 23:26:26