统计指定数字出现的次数

状态	递交者	时间	内存	代码	递交时间
AC	Angel	17ms	384 KiB	222 Bytes	2023-4-29 17:28:33
AC	chengjunran	18ms	7.7 MiB	223 Bytes	2023-7-1 18:33:24
AC	鸭缩毛巾	18ms	6.9 MiB	224 Bytes	2023-7-9 9:48:07
AC	Angel	19ms	6.9 MiB	234 Bytes	2023-8-8 13:42:10
AC	majiachen	20ms	6.8 MiB	237 Bytes	2023-8-22 17:59:46
AC	wanglvyan	20ms	8 MiB	238 Bytes	2023-8-22 10:24:01
AC	shihaocheng	20ms	6.9 MiB	232 Bytes	2023-7-21 16:41:02
AC	bihaoyu	21ms	6.9 MiB	207 Bytes	2023-7-15 16:59:58