数值稳定的Sigmoid

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	8VH53x6f6E	1592ms	35.6 MiB	Python 3	449 Bytes	2026-3-1 1:51:10
AC	kBGDz1lprM	1599ms	35.9 MiB	Python 3	244 Bytes	2026-3-9 11:26:56
AC	tOjenIJFZN	1607ms	35.9 MiB	Python 3	324 Bytes	2026-3-18 9:29:21
AC	s6Fa90HDJz	1609ms	35.6 MiB	Python 3	344 Bytes	2026-3-24 22:37:52
AC	zdn0UXtGql	1655ms	36.2 MiB	Python 3	293 Bytes	2026-4-21 13:07:48
AC	ma_meng_yi	1692ms	35.6 MiB	Python 3	673 Bytes	2026-5-11 21:21:15
AC	hengmao	1695ms	35.7 MiB	Python 3	251 Bytes	2026-5-12 10:36:31
AC	Chen-_-jn	1714ms	35.6 MiB	Python 3	446 Bytes	2026-4-25 17:26:39
AC	sn6mbQJgTH	1891ms	35.9 MiB	Python 3	356 Bytes	2026-5-20 14:21:19
AC	九暻	2010ms	35.9 MiB	Python 3	364 Bytes	2026-4-22 20:03:21