练20.2 判断是否为两位数

状态	递交者	时间	内存	语言	代码	递交时间
AC	(国贸张扬)国贸张扬	26ms	536 KiB	C++11	154 Bytes	2024-11-27 17:18:46
AC	(国贸梁景硕)国贸梁景硕	27ms	768 KiB	C++11	163 Bytes	2024-10-2 21:29:20
AC	(国贸冯一杨)国贸冯一杨	27ms	768 KiB	C++11	186 Bytes	2024-11-23 12:04:11
AC	(Congratulations!)国贸王沐阳	27ms	764 KiB	C++11	160 Bytes	2025-3-29 12:07:39
AC	(未来の鳩（お互い）)国贸单滢睿	28ms	548 KiB	C++11	178 Bytes	2024-12-9 17:51:19
AC	[秦翔可]秦老师	28ms	764 KiB	C++11	268 Bytes	2024-11-20 18:30:04
AC	[吴雨霖]chan	29ms	728 KiB	C++14(O2)	140 Bytes	2024-12-5 9:00:32
AC	(lilo)lilo	29ms	768 KiB	C++14(O2)	153 Bytes	2025-1-9 21:09:25
AC	(国贸李佳益)国贸李佳益	29ms	764 KiB	C++11	225 Bytes	2024-12-12 19:13:51