二分查找（lower_bound）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	lsy20070123	1276ms	13.6 MiB	C++14	415 Bytes	2022-11-22 20:39:27
AC	Mesu Devastator	1390ms	13.6 MiB	C++14	1 KiB	2024-7-18 15:01:20
AC	QwQ_Automation	1400ms	32.6 MiB	C++14	993 Bytes	2024-6-29 6:08:37
AC	wangluzhuo	1444ms	13.7 MiB	C++14	612 Bytes	2023-8-23 19:12:12
AC	Floze3	1449ms	13.7 MiB	C++14	453 Bytes	2023-8-20 15:26:45
AC	lsrsrl	1578ms	13.7 MiB	C++14	352 Bytes	2025-10-7 18:50:12
AC	Xiaodian	1761ms	55.6 MiB		368 Bytes	2022-12-3 22:05:48
AC	Xiaodian	1791ms	55.7 MiB		351 Bytes	2022-12-3 22:07:22
AC	CaoZH	1904ms	13.6 MiB	C++14	469 Bytes	2024-7-5 9:26:24
AC	chengwenzhe	1938ms	13.5 MiB	C++14	318 Bytes	2025-10-2 17:08:29