DefFrancis @ 2017-09-21 21:43:51
然而ST表不虚233
by 1124828077ccj @ 2017-09-21 22:00:07
@DefFrancis 优秀的暴力可以A掉。。。
by 囧人232 @ 2017-09-24 21:23:29
rmq莫名崩掉qwq
by 浮云启心 @ 2017-10-21 20:30:49
莫名想起堆=-=
by Randle @ 2017-10-26 17:45:57
有人用树状树组卡过了吗？