二叉树的读入与构建(二叉树的序列化)

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	pa9u4PGSQc	4489ms	106.6 MiB	Java	1.6 KiB	2026-8-23 17:42:17
AC	KYwEajrNJU	4723ms	122.2 MiB	Java	1.8 KiB	2026-9-4 15:02:37
AC	IPython	4739ms	114.1 MiB	Java	1.7 KiB	2026-9-7 10:56:53
AC	JmxWz4mOIx	4761ms	114.5 MiB	Java	1.7 KiB	2026-5-20 22:30:58
AC	Mm8O49X3iZ	4927ms	116.1 MiB	Java	1.8 KiB	2026-6-1 23:26:13
AC	i98wUtLgnW	4998ms	121.1 MiB	Java	1.7 KiB	2026-6-18 0:30:24