哦~~~~哦哦哦哦哦哦
by luogu14 @ 2023-02-28 16:37:14
@[Otion](/user/843596) double 有精度误差，改为 int 即可
by MarchKid_Joe @ 2023-03-01 07:54:31
@[MarchKid_Joe](/user/239163) 明白啦，精度在转换的时候会丢失
by Otion @ 2023-03-01 12:30:02