树的直径

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	李俊诚	209ms	18.9 MiB	C++14(O2)	5.2 KiB	2025-10-4 14:15:01
AC	zhaolingyun	322ms	26.7 MiB	C++17(O2)	743 Bytes	2025-10-4 17:14:00
AC	杨永免	326ms	28.5 MiB	C++17(O2)	719 Bytes	2025-10-4 14:38:31
AC	huangyi	329ms	25.2 MiB	C++17(O2)	566 Bytes	2025-10-4 11:09:48
AC	何雨壕	390ms	28.6 MiB	C++14(O2)	998 Bytes	2025-10-4 14:32:42
AC	若白	415ms	45 MiB	C++17(O2)	3.2 KiB	2025-10-4 14:41:35
AC	kcs007	559ms	28.2 MiB	C++14(O2)	620 Bytes	2025-10-4 14:32:54
AC	zxc	565ms	29.2 MiB	C++17(O2)	614 Bytes	2025-10-5 8:34:39
AC	hyc0604	579ms	26.8 MiB	C++14(O2)	548 Bytes	2025-10-4 14:15:43
AC	yzxyzx	584ms	27.2 MiB	C++14(O2)	642 Bytes	2025-10-4 14:41:19
AC	13988078910	601ms	28.1 MiB	C++14(O2)	468 Bytes	2025-10-4 11:11:56
AC	duobei	601ms	32.8 MiB	C++17(O2)	822 Bytes	2025-10-4 11:06:21
AC	string_dbr	647ms	28.8 MiB	C++14(O2)	627 Bytes	2025-10-4 14:37:23
AC	XiaoZhao12	747ms	26.9 MiB	C++14	640 Bytes	2025-10-4 14:40:40
AC	FVVlmz105	973ms	21.8 MiB	C++14(O2)	2.9 KiB	2025-6-19 10:40:18
AC	周丞昊contest	993ms	45.2 MiB	C++14	565 Bytes	2025-10-4 14:38:45
AC	fulichang	1148ms	17.2 MiB	C++17(O2)	571 Bytes	2025-6-19 10:09:33
AC	shtian	1171ms	26.1 MiB	C++14(O2)	6 KiB	2025-6-19 8:47:04
AC	sweetydd	1497ms	25.7 MiB	C++14(O2)	748 Bytes	2025-6-19 18:49:39
AC	xyy135	1614ms	31.9 MiB	C++14(O2)	899 Bytes	2025-6-19 17:00:37
AC	five_rice_water	2175ms	30.2 MiB	C++14(O2)	690 Bytes	2025-6-19 8:59:08
AC	yzh1217	2337ms	23.5 MiB	C++14(O2)	855 Bytes	2025-6-20 18:44:57
AC	lyt	2366ms	23.5 MiB	C++14(O2)	699 Bytes	2025-6-19 10:15:56
AC	陈国瑞	3116ms	26.6 MiB	C++14	819 Bytes	2025-6-21 9:44:22
AC	z343151536	3118ms	26.6 MiB	C++14	827 Bytes	2025-6-19 18:36:55
AC	曹磊	3248ms	24.2 MiB	C++14	640 Bytes	2025-6-19 9:26:27
AC	舒诗鉴	4467ms	44.9 MiB	C++14	663 Bytes	2025-5-17 11:29:02