线段树の神 @[what__if](/user/372172) %%%
by int32 @ 2022-11-13 15:05:46
@[int32](/user/142548) 没用线段树，没你强
by Q__A__Q @ 2022-11-13 16:03:57
ST表の神 @[what__if](/user/372172) %%%
by int32 @ 2022-11-13 20:38:09
@[int32](/user/142548) Ost
蒟蒻如我被大佬吊打+嘲讽 QvQ
by Q__A__Q @ 2022-11-13 22:02:18