SOS
by ikun_czy @ 2022-11-06 16:40:14
求牛人帮助
by ikun_czy @ 2022-11-06 16:42:26
`fen/(m-2)`改成`1.0 * fen/(m-2)`就行了，强转一下，否则你算的还是`short`，算出来丢精度
by kiritokazuto @ 2022-11-06 16:58:23
@[czy888](/user/817033)
by kiritokazuto @ 2022-11-06 17:04:50
@[kiritokazuto](/user/277777)
AC了
by ikun_czy @ 2022-11-06 17:40:19