第3题-多头注意力掩码计算

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	seCN9HCvoE	6347ms	197.1 MiB	Java	4.3 KiB	2026-7-4 10:21:05
AC	luti	6398ms	135.7 MiB	Java	3.8 KiB	2026-5-9 10:12:00
AC	4c2L4zGOin	6444ms	69.9 MiB	Python 3	2.6 KiB	2026-5-21 22:23:04
AC	TeIkBj60vc	7288ms	178.7 MiB	Java	3.2 KiB	2026-5-17 15:05:27
AC	A5gOHwKjSO	8062ms	207.8 MiB	Java	2.6 KiB	2026-5-11 5:05:49
AC	LeneRfTw6s	8639ms	206.8 MiB	Java	3.1 KiB	2026-5-20 10:30:26
AC	UNOPexNgsr	9589ms	204 MiB	Java	3 KiB	2026-6-16 21:30:52