@[PrHacker235](/user/217577) 先不说check的问题,你二分范围小了,`r=x[N]`,懂? by Super_Cube @ 2021-07-17 17:32:11
@[Super_Cube](/user/481893) 改了但还是50pts。。。 by kemkra @ 2021-07-18 09:44:48