~~雨天的尾巴~~
by guodong @ 2019-09-26 20:59:11
差分竟然是基础!stO 大佬
by A_Đark_Horcrux @ 2019-09-26 20:59:44
某NOIP原题
by _wkjzyc @ 2019-09-26 21:00:05
@[曾熠辰](/space/show?uid=34372) ~~天天爱跑步?~~
by _gifbmp @ 2019-09-26 21:00:42
@[Bilion_冰凌帅](/space/show?uid=54372) 差分的难度其实只是略高于前缀和,但是应用明显没有前缀和广泛
by _wkjzyc @ 2019-09-26 21:00:53
@[_gifbmp](/space/show?uid=208560)
我说一个词你就明白了:幼儿园
by _wkjzyc @ 2019-09-26 21:01:37
@[曾熠辰](/space/show?uid=34372) 噢噢qwq
by A_Đark_Horcrux @ 2019-09-26 21:01:45
@[_gifbmp](/space/show?uid=208560) 直接搜差分的标签阿
by __gcd @ 2019-09-26 21:03:12
差分约束系统
by 沉默与剑 @ 2019-09-26 21:05:08
为什么要强调你是妹子
by Rainy7 @ 2019-09-26 21:14:51