【模板】最近公共祖先（LCA）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	string_dbr	1868ms	43.8 MiB	C++14(O2)	1.1 KiB	2025-10-26 14:55:50
AC	曹磊	1931ms	55.8 MiB	C++14	960 Bytes	2026-3-19 14:40:28
AC	duobei	1937ms	71.1 MiB	C++17(O2)	960 Bytes	2026-2-27 21:52:03
AC	张峻硕	2030ms	65.7 MiB	C++14(O2)	938 Bytes	2026-2-28 8:38:00
AC	FVVlmz105	2236ms	151.3 MiB	C++14(O2)	3.8 KiB	2025-10-24 13:13:50
AC	曾彦彬contest	2559ms	80.7 MiB	C++17(O2)	968 Bytes	2026-2-27 19:26:07
AC	zxc	2713ms	98.1 MiB	C++17(O2)	1 KiB	2025-10-27 8:42:10
AC	Mch121018	3026ms	118.4 MiB	C++17(O2)	2.5 KiB	2026-3-26 17:23:05
AC	huangyi	3161ms	143.8 MiB	C++17(O2)	1 KiB	2025-10-24 9:48:31
AC	李俊诚	3175ms	131.7 MiB	C++14	964 Bytes	2026-2-27 15:03:13
AC	wangmingxuan	3900ms	55.8 MiB	C++14(O2)	842 Bytes	2026-2-27 20:20:36
AC	何雨壕	4014ms	184.2 MiB	C++14(O2)	1.3 KiB	2025-10-24 9:04:35
AC	陈国瑞	4093ms	182 MiB	C++14(O2)	1 KiB	2026-2-27 20:51:09
AC	马辰皓1.04	4127ms	120.3 MiB	C++14(O2)	1.2 KiB	2025-12-24 17:34:48
AC	周丞昊contest	4333ms	86.8 MiB	C++14(O2)	1 KiB	2025-10-24 9:30:47
AC	13988078910	4373ms	67.3 MiB	C++14(O2)	1.2 KiB	2025-10-24 11:28:51
AC	zhaolingyun	4425ms	86.8 MiB	C++17(O2)	1019 Bytes	2025-10-24 11:05:58
AC	若白	4451ms	86.2 MiB	C++17(O2)	1.2 KiB	2025-10-27 8:27:43
AC	yzxyzx	5120ms	113 MiB	C++14(O2)	1 KiB	2026-2-27 19:39:08
AC	廖泊淙	5409ms	246.9 MiB	C++14(O2)	1 KiB	2026-2-27 7:58:02
AC	20130423dzx	5520ms	145.8 MiB	C++14(O2)	1013 Bytes	2026-2-27 19:44:25