树的重心

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	吴泽枢	56ms	6.1 MiB	C++14(O2)	582 Bytes	2024-7-20 11:12:29
AC	jike1994	59ms	6.1 MiB	C++14(O2)	783 Bytes	2024-7-19 17:45:03
AC	DH-LZR	61ms	5.9 MiB	C++14(O2)	581 Bytes	2025-8-11 9:40:12
AC	沈鼎皓	86ms	8.7 MiB	C++17(O2)	508 Bytes	2025-9-29 8:00:52