找出没出现过的数字

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	ALT_wangyanran	2ms	20.4 MiB	C++14	149 Bytes	2026-1-12 16:19:52
AC	ALT_zhuyuchen	2ms	20.1 MiB	C++14	218 Bytes	2025-12-27 22:28:54
AC	ALT_liusihan	2ms	20.1 MiB	C++14	213 Bytes	2025-12-22 21:56:47
AC	ALT_zhangyixiao	2ms	20.4 MiB	C++14	191 Bytes	2026-1-12 16:53:44
AC	ALT_xizhanxuan	2ms	20.4 MiB	C++14	302 Bytes	2025-12-24 21:19:00
AC	ALT_yangxihan	2ms	20.4 MiB	C++14	215 Bytes	2026-1-10 18:04:28
AC	ALT_wangxuqi	2ms	20.4 MiB	C++14	198 Bytes	2026-1-10 18:19:16
AC	ALT_zhaoshengben	2ms	20.4 MiB	C++14	258 Bytes	2026-1-10 17:59:10
AC	ALT_wangshuoran	2ms	20.1 MiB	C++14	239 Bytes	2026-1-17 12:10:41
AC	ALT_zengzechuan	2ms	20.4 MiB	C++14	341 Bytes	2025-12-13 21:59:30
AC	ALT_baojunchen	3ms	20.4 MiB	C++14	238 Bytes	2025-12-26 21:15:46