%%% fz
by Micro_Seven @ 2020-04-06 12:56:23
异或和不好处理鸭
by LHQing @ 2020-04-06 12:57:50
@[LHQing](/user/167507) 对啊，我感觉所有既有加法又有异或的题我都不会（
by FZzzz @ 2020-04-06 12:58:52
@[水题淹死的鱼](/user/196899) 求教
by LHQing @ 2020-04-06 13:00:28
@[LHQing](/user/167507) 可能是看错了吧（
by FZzzz @ 2020-04-06 13:01:01
@[function_of_zero](/user/174045) 打错了，还要在log一个值域
by lndjy @ 2020-04-06 13:01:24
@[水题淹死的鱼](/user/196899) 咋做啊
by FZzzz @ 2020-04-06 13:01:50
@[function_of_zero](/user/174045) 我记得一个大佬说过，区间加区间异或和是这个复杂度，具体等我翻一下聊天记录
by lndjy @ 2020-04-06 13:03:06
@[水题淹死的鱼](/user/196899) 欸怎么全局异或还能带一个根号啊 )
by aminoas @ 2020-04-06 13:03:28
~~分块颓?~~
by LHQing @ 2020-04-06 13:04:01