@[Peal_Frog](/user/44805) 那就对于相同的数，看起来像逆序对就是逆序对好了
by dead_X @ 2020-10-30 20:41:35
@[dead_X](/user/111055) ？？？所以到底相同的算不算？？？
by Leap_Frog @ 2020-10-30 20:43:57
@[Peal_Frog](/user/44805) add(x,w)那里真的不会越界吗
by Rui_R @ 2020-10-30 20:44:24
@[Peal_Frog](/user/44805) 【看起来像逆序对就算，不然就不算】 (((
by dead_X @ 2020-10-30 20:44:37
害怕
by Rui_R @ 2020-10-30 20:44:41
@[Rui_R](/user/101984) 哦，历史遗留（（，我是傻逼
by Leap_Frog @ 2020-10-30 20:46:08
https://www.luogu.com.cn/discuss/show/62430
by Little09 @ 2020-10-30 20:46:28
@[Rui_R](/user/101984) 改了之后一样？？？
by Leap_Frog @ 2020-10-30 20:47:05
@[AC_WA自动机](/user/151475) 我知道，但是那个是什么意思啊/yiw/kel
by Leap_Frog @ 2020-10-30 20:47:36
总之这题很玄
by Little09 @ 2020-10-30 20:49:41