【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	FVVlmz105	2236ms	151.3 MiB	C++14(O2)	3.8 KiB	2025-10-24 13:13:50
AC	zxc	2713ms	98.1 MiB	C++17(O2)	1 KiB	2025-10-27 8:42:10
AC	huangyi	3161ms	143.8 MiB	C++17(O2)	1 KiB	2025-10-24 9:48:31
AC	李俊诚	3194ms	139.5 MiB	C++14(O2)	1 KiB	2025-10-26 19:51:48
AC	何雨壕	4014ms	184.2 MiB	C++14(O2)	1.3 KiB	2025-10-24 9:04:35
AC	duobei	4262ms	63.4 MiB	C++14(O2)	1.2 KiB	2025-10-24 9:17:42
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	4714ms	124.6 MiB	C++14(O2)	1010 Bytes	2025-10-24 9:23:14