【例】连通块中点的数量

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	方一帆2	73ms	948 KiB	C++14(O2)	1015 Bytes	2025-11-28 16:50:15
AC	lzr	186ms	6.3 MiB	C++14(O2)	654 Bytes	2025-8-7 11:38:04
AC	沈鼎皓	194ms	6.2 MiB	C++17(O2)	765 Bytes	2025-9-22 7:04:24
AC	jike1994	283ms	6.3 MiB	C++14(O2)	883 Bytes	2025-8-6 14:33:29