有根有序树的后序遍历

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	CYMario	748ms	15.2 MiB	C++20(O2)	739 Bytes	2025-9-4 1:38:29
AC	nesk	758ms	16.3 MiB	C++20(O2)	755 Bytes	2025-9-10 14:16:46
AC	CYMario	773ms	15.2 MiB	C++20(O2)	1 KiB	2025-9-4 1:45:10
AC	nesk	781ms	15.1 MiB	C++20(O2)	757 Bytes	2025-9-10 16:16:28
AC	nesk	789ms	15.1 MiB	C++20(O2)	549 Bytes	2025-11-14 12:51:26
AC	vankari	796ms	15.2 MiB	C++20(O2)	774 Bytes	2025-9-5 0:45:37
AC	AHU大肥鸭	801ms	15.1 MiB	C++20(O2)	698 Bytes	2025-9-4 21:52:41
AC	plosa	813ms	23.6 MiB	C++20(O2)	700 Bytes	2025-10-25 2:09:50
AC	csbendan	814ms	23.6 MiB	C++20(O2)	729 Bytes	2025-11-2 16:48:21
AC	plosa	824ms	19.7 MiB	C++20(O2)	640 Bytes	2025-10-25 2:22:06
AC	qianfu	824ms	23.6 MiB	C++20(O2)	585 Bytes	2025-10-14 20:18:30
AC	nesk	826ms	23.6 MiB	C++20(O2)	590 Bytes	2025-11-14 12:49:43
AC	imliulian	835ms	15.2 MiB	C++20(O2)	819 Bytes	2025-9-4 22:12:37
AC	lqz	842ms	23.6 MiB	C++20(O2)	583 Bytes	2025-11-21 21:46:52
AC	lain	842ms	23.6 MiB	C++20(O2)	1003 Bytes	2025-11-7 20:29:09
AC	Newoustain	850ms	23.6 MiB	C++20(O2)	721 Bytes	2025-10-24 21:07:24
AC	ladyqingyu	871ms	23.6 MiB	C++20(O2)	669 Bytes	2025-11-22 14:19:17
AC	max	921ms	23.6 MiB	C++20(O2)	1 KiB	2025-11-11 10:44:26
AC	max	1116ms	23.5 MiB	C++20(O2)	625 Bytes	2025-11-11 10:57:04