铜球
by derta @ 2020-05-27 18:08:13
铜球
by Sora1336 @ 2020-05-27 18:09:19
列队（确信）
by UltiMadow @ 2020-05-27 18:09:35
树状数组1，树状数组2，线段树1，统计和
by YamadaRyou @ 2020-05-27 18:12:08
算法标签自己搜啊，怎么什么都要别人推荐啊
上帝造数的七分钟
by twelveZ @ 2020-05-27 18:13:26
还有逆序对
by YamadaRyou @ 2020-05-27 18:13:46
此次NOIOL3 TG t1
by Lacrymabre @ 2020-05-27 18:17:02
【HNOI2012】双十字
by WAPER4EVER @ 2020-05-27 18:22:18
@[爆零_自动机](/user/120438) ？
这题不是前缀和？
by chenxinyang2006 @ 2020-05-27 18:25:34
@[code_universe](/user/107232) 噗，他是金牌爷
by 傅天宇 @ 2020-05-27 18:54:21