统计满足条件的 4 位数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	BC20260311	16ms	796 KiB		364 Bytes	2023-12-26 16:47:15
AC	BC20260030	17ms	800 KiB		248 Bytes	2024-4-14 20:41:15
AC	CC20260060	17ms	740 KiB		211 Bytes	2023-11-12 8:39:15
AC	CC20260161	19ms	912 KiB	C++17(O2)	566 Bytes	2026-3-21 1:53:30
AC	C20250070	20ms	800 KiB		290 Bytes	2024-5-18 11:47:47
AC	BC20260080	20ms	792 KiB		403 Bytes	2024-4-6 0:09:44
AC	BC20260085	21ms	792 KiB		423 Bytes	2024-4-8 12:08:17
AC	BC20260349	21ms	796 KiB		470 Bytes	2024-5-11 11:15:19
AC	BC20260349	30ms	772 KiB		470 Bytes	2024-5-13 16:14:43