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	052650322董亿达	11ms	256 KiB	C	118 Bytes	2026-10-2 16:41:32
AC	潘明阳182611622	12ms	448 KiB	C	141 Bytes	2026-9-15 20:55:55
AC	Exeyes_BCNR	12ms	512 KiB	C	181 Bytes	2026-9-27 13:14:36
AC	汪奥焱152630426	12ms	260 KiB	C	126 Bytes	2026-9-18 10:57:34
AC	042600602	12ms	256 KiB	C	145 Bytes	2026-9-19 15:14:26
AC	032660104王志禹	13ms	380 KiB	C	167 Bytes	2026-9-18 15:50:47
AC	052620114罗子昕	13ms	256 KiB	C	131 Bytes	2026-9-25 23:58:57
AC	152630404–付小糖	13ms	256 KiB	C	138 Bytes	2026-9-17 23:49:15
AC	E/o/S	13ms	260 KiB	C	163 Bytes	2026-9-23 0:07:57
AC	152631106毛睿琦	13ms	256 KiB	C	155 Bytes	2026-9-5 20:11:14
AC	042600625杨稼瑞	13ms	568 KiB	C	214 Bytes	2026-9-27 22:42:47
AC	+++	13ms	512 KiB	C	218 Bytes	2026-9-21 16:21:59
AC	TrailBlaze	13ms	256 KiB	C	134 Bytes	2026-10-5 15:30:06
AC	wallin	13ms	512 KiB	C	150 Bytes	2026-9-28 12:11:41