在排序数组中查找元素的第一个和最后一个位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C24zhengfujia	113ms	4.2 MiB	C++11	848 Bytes	2025-3-6 14:02:42
AC	h_h	113ms	4.2 MiB	C++11	515 Bytes	2025-2-19 10:06:31
AC	C24liuyunze	186ms	4.1 MiB	C++11	673 Bytes	2025-3-11 13:18:02
AC	C24wanghongming	186ms	4.1 MiB	C++11	496 Bytes	2025-3-10 13:55:06
AC	C24tanhaolun	190ms	4.1 MiB	C++11	1.2 KiB	2025-3-5 13:30:32
AC	C24zhongzifan	191ms	4.2 MiB	C++11	752 Bytes	2025-3-5 23:20:41
AC	C24liudongqing	192ms	4.1 MiB	C++11	735 Bytes	2025-4-9 16:56:28
AC	C24kongxiangtai	193ms	8 MiB	C++11	842 Bytes	2025-3-6 13:09:04
AC	C24liukaiwen	194ms	8 MiB	C++11	646 Bytes	2025-3-6 13:47:35
AC	C24zhouyanchen	194ms	8 MiB	C++11	763 Bytes	2025-3-9 20:21:28
AC	C24zhaozicheng	195ms	4.2 MiB	C++11	406 Bytes	2025-3-9 19:36:07
AC	SimonTan	196ms	4.2 MiB	C++11	1.7 KiB	2025-4-9 18:50:17