focal loss计算 - Problem Statistics - CodeFun2000

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	Razm9C8dZv	1597ms	35.7 MiB	Python 3	520 Bytes	2026-3-24 22:19:45
AC	Chen-_-jn	1691ms	35.4 MiB	Python 3	539 Bytes	2026-4-25 18:20:27
AC	zdn0UXtGql	1711ms	35.9 MiB	Python 3	508 Bytes	2026-4-21 13:03:55
AC	richzhang	1717ms	35.5 MiB	Python 3	511 Bytes	2026-3-25 2:02:53

ID: 3735
Time: 1000ms
Memory: 256MiB
Difficulty: 5
Tags: (None)
# Submissions: 168
Accepted: 104
Uploaded By: TaZi