树的距离 I

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	李俊诚	457ms	30.7 MiB	C++14(O2)	5.7 KiB	2025-10-5 10:16:09
AC	huangyi	488ms	34.6 MiB	C++17(O2)	1.2 KiB	2025-10-4 11:35:32
AC	string_dbr	504ms	32.8 MiB	C++14(O2)	1 KiB	2025-10-5 10:18:56
AC	何雨壕	617ms	38.7 MiB	C++14(O2)	1.4 KiB	2025-10-5 10:12:09
AC	gdioiui	667ms	34.7 MiB	C++14(O2)	1 KiB	2025-11-25 21:53:30
AC	13988078910	718ms	30.3 MiB	C++14(O2)	907 Bytes	2025-10-4 11:46:41
AC	kcs007	727ms	32.7 MiB	C++14(O2)	1.2 KiB	2025-10-5 10:07:49
AC	严晨航2025xlycontest	763ms	32.3 MiB	C++14(O2)	1.2 KiB	2025-10-25 10:52:11
AC	hyc0604	788ms	32.4 MiB	C++14(O2)	1 KiB	2025-10-5 10:12:30
AC	duobei	834ms	31 MiB	C++17(O2)	966 Bytes	2025-10-4 12:02:51
AC	FVVlmz105	1503ms	36.3 MiB	C++14(O2)	3.4 KiB	2025-6-19 19:06:28
AC	shtian	1662ms	29 MiB	C++14(O2)	5.9 KiB	2025-6-19 8:59:58
AC	fulichang	1833ms	31.1 MiB	C++17(O2)	989 Bytes	2025-6-19 19:20:44
AC	sweetydd	1881ms	30.9 MiB	C++14(O2)	1.1 KiB	2025-6-19 19:18:56
AC	xyy135	2003ms	36.8 MiB	C++14(O2)	1.1 KiB	2025-6-19 10:33:11
AC	yzh1217	2816ms	34.9 MiB	C++14(O2)	1.1 KiB	2025-6-20 20:29:31
AC	lyt	2866ms	34.9 MiB	C++14(O2)	1.3 KiB	2025-6-20 20:38:42
AC	five_rice_water	2885ms	32.4 MiB	C++14(O2)	1 KiB	2025-6-19 10:19:56
AC	yzxyzx	2919ms	32.4 MiB	C++14(O2)	1.3 KiB	2025-6-19 19:24:02
AC	陈国瑞	3753ms	34.9 MiB	C++14	1.1 KiB	2025-6-21 9:56:58
AC	曹磊	3778ms	32.4 MiB	C++14	1.3 KiB	2025-6-19 11:38:43
AC	XiaoZhao12	3860ms	34.9 MiB	C++14	1 KiB	2025-6-19 10:13:21
AC	z343151536	3899ms	32.4 MiB	C++14	1.3 KiB	2025-6-19 19:43:55