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	....	13ms	552 KiB	C	131 Bytes	2025-3-15 19:57:57
AC	zhijiang	13ms	768 KiB	C	173 Bytes	2025-7-23 17:34:44
AC	jiangyan	13ms	552 KiB	C	158 Bytes	2025-3-20 9:22:53
AC	LLLX	14ms	556 KiB	C	164 Bytes	2024-9-25 18:44:31
AC	cccc	14ms	520 KiB	C	163 Bytes	2025-3-17 20:25:47
AC	dreze	15ms	548 KiB	C	181 Bytes	2025-9-1 22:29:10
AC	季渝	25ms	764 KiB	C++17	147 Bytes	2024-9-26 14:44:19
AC	zlsx	28ms	764 KiB	C++17(O2)	194 Bytes	2025-1-27 14:56:54
AC	龙贤凤	28ms	608 KiB	C++17(O2)	172 Bytes	2025-10-5 0:16:26
AC	风间白鹿	29ms	552 KiB	C++17(O2)	173 Bytes	2024-9-24 0:43:23
AC	hejunai	329ms	4 MiB	Python 3	64 Bytes	2024-9-26 17:29:32