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	syw050547	21ms	552 KiB	C++11	158 Bytes	2025-3-16 11:44:15
AC	lsz121021	24ms	764 KiB	C++11	182 Bytes	2025-3-16 11:46:36
AC	周正泓	25ms	540 KiB	C++98	148 Bytes	2025-9-19 19:12:02
AC	FENRUI	26ms	768 KiB	C++11	201 Bytes	2025-3-16 11:43:33
AC	pengxinrui	26ms	528 KiB	C++11	149 Bytes	2025-7-18 14:30:19
AC	15080201186	26ms	768 KiB	C++11	147 Bytes	2025-3-23 9:11:30
AC	ZSzhouwanwu	26ms	512 KiB	C++14	175 Bytes	2026-3-19 19:01:44
AC	陆周毅	26ms	768 KiB	C++11	151 Bytes	2025-3-16 11:45:36
AC	lwh	27ms	764 KiB	C++11	273 Bytes	2025-6-21 8:43:43
AC	fyh	27ms	768 KiB	C++11	143 Bytes	2025-3-23 9:22:26
AC	yangsir1234567890	27ms	564 KiB	C++14	142 Bytes	2026-3-17 13:31:49
AC	我是一号	27ms	540 KiB	C++11	140 Bytes	2025-3-23 9:16:19
AC	明子恒	27ms	728 KiB	C++11	137 Bytes	2025-3-16 11:43:41
AC	houjiyuan	27ms	764 KiB	C++11	161 Bytes	2025-3-23 9:22:39
AC	蔡泓铭	28ms	768 KiB	C++11	156 Bytes	2025-3-23 9:17:36
AC	刘煜泽	28ms	768 KiB	C++11	154 Bytes	2025-3-23 9:17:04
AC	宏宸万里	30ms	764 KiB	C++11(O2)	181 Bytes	2025-8-28 22:39:04