【例34.3】统计数字字符个数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	zhuxuanyu	25ms	764 KiB	C++11	211 Bytes	2024-8-2 21:17:18
AC	ludaichen	27ms	540 KiB	C++11	213 Bytes	2024-7-27 11:57:44
AC	shensiwen	27ms	776 KiB	C++11	254 Bytes	2024-7-28 10:18:31
AC	chenzihao	27ms	556 KiB	C++11	208 Bytes	2024-7-29 21:36:26
AC	chenwangzixuan	28ms	764 KiB	C++11	209 Bytes	2024-8-8 10:16:32
AC	liujinghang	29ms	768 KiB	C++11	302 Bytes	2024-8-10 20:08:59