开了O2，register有个卵用
by cosmicAC @ 2019-03-27 22:23:33
~~亲测有效~~
@[chen_zhe](/space/show?uid=8457) @[老K](/space/show?uid=8943)
by Rbu_nas @ 2019-03-27 22:35:33
可以把数据范围加到1e5，时限开到2500ms
by NaCly_Fish @ 2019-03-27 22:56:46
建议开到1秒，莫队基本也能过
by MagicDuck @ 2019-03-28 18:56:38