不如把并查集加上个计数功能吧

状态	递交者	时间	内存	语言	代码	递交时间
AC	vjudge3	3114ms	860 KiB	C++98	421 Bytes	2025-8-4 10:12:36
AC	vjudge1	3115ms	848 KiB	C++20	492 Bytes	2025-8-4 9:46:49
AC	vjudge4	3131ms	880 KiB	C++11	543 Bytes	2025-8-4 10:03:35
AC	vjudge5	3205ms	800 KiB	C++11	436 Bytes	2025-8-4 11:06:27
AC	vjudge2	3219ms	868 KiB	C++11	433 Bytes	2025-8-4 10:11:54