普通树的读入与构建

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	CodeFun1f605aa714	6524ms	110.8 MiB	Java	1.5 KiB	2026-3-9 23:59:02
AC	CodeFun05bc632472	6538ms	109.2 MiB	Java	1.8 KiB	2025-10-10 22:32:46
AC	CodeFunb9412756d2	6554ms	121.7 MiB	Java	2 KiB	2025-9-18 21:09:01
AC	Morning	6569ms	115.9 MiB	Java	2 KiB	2025-9-26 18:41:04
AC	CodeFunc09bd04012	6645ms	117.3 MiB	Java	1.6 KiB	2025-9-18 22:52:07
AC	CodeFun274186d1ea	6676ms	112.1 MiB	Java	2 KiB	2025-10-20 22:04:03
AC	CodeFun261bbade7a	6745ms	121 MiB	Java	1.7 KiB	2025-9-26 21:14:42
AC	CodeFun8efd5423b7	6770ms	118 MiB	Java	1.5 KiB	2025-9-18 16:35:02
AC	CodeFun1ae38ab686	7778ms	143.5 MiB	Java	1.3 KiB	2025-9-26 21:38:13