统计个数（count）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	陈旭尧	19ms	6.5 MiB	C++14(O2)	327 Bytes	2025-9-7 20:26:28
AC	王雅晨	19ms	6.5 MiB	C++14(O2)	309 Bytes	2025-8-14 21:39:49
AC	孙嘉翊	19ms	6.5 MiB	C++14(O2)	443 Bytes	2025-8-17 10:02:53
AC	强梓琪	19ms	6.5 MiB	C++14(O2)	391 Bytes	2025-9-6 18:48:17
AC	王方逸	19ms	6.5 MiB	C++14(O2)	429 Bytes	2025-8-14 15:24:41
AC	李珺昊	19ms	6.5 MiB	C++14(O2)	395 Bytes	2025-9-5 20:22:51
AC	曾晨曦	20ms	6.5 MiB	C++14(O2)	401 Bytes	2025-8-15 13:33:45
AC	崔宸硕	21ms	6.5 MiB	C++14(O2)	327 Bytes	2025-8-14 15:20:27
AC	郑漠川	22ms	6.5 MiB	C++14(O2)	283 Bytes	2025-8-17 11:10:45
AC	王皓翔	24ms	6.5 MiB	C++14(O2)	529 Bytes	2025-8-14 16:01:56