可以尝试预处理popcount
by luogu_gza @ 2023-03-21 21:33:27
register,inline……
by luogu_gza @ 2023-03-21 21:33:47
我寻思着也不卡常啊
by Register_int_Offical @ 2023-03-21 21:48:15
尝试把快读快写去掉……这题正常写法不卡常。
by esquigybcu @ 2023-03-21 22:02:22
试试 FWT 正变换和逆变换分开写？
by esquigybcu @ 2023-03-21 22:12:23