【并查集3】通讯录合并

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	CFazxq5rc4	1416ms	71.9 MiB	PyPy3	1.1 KiB	2026-9-10 14:59:57
AC	CodeFun2d05ea53e7	1423ms	71.9 MiB	PyPy3	1.3 KiB	2026-5-3 14:23:39
AC	r59abhjMPz	1437ms	72 MiB	PyPy3	1.8 KiB	2026-8-9 17:54:39
AC	hJzkTxOWaN	1440ms	71.7 MiB	PyPy3	1.8 KiB	2026-4-20 17:11:46
AC	zhyl	1558ms	71.8 MiB	PyPy3	1.8 KiB	2026-8-23 15:18:46
AC	GG7yC9WD0E	1638ms	71.9 MiB	PyPy3	2 KiB	2026-4-8 16:15:51
AC	zNeXAPpWUi	1693ms	72 MiB	PyPy3	1 KiB	2026-4-15 15:18:22