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	魏锦鸿	24ms	760 KiB	C++14(O2)	119 Bytes	2025-5-26 20:04:17
AC	ykx	26ms	764 KiB	C++14(O2)	177 Bytes	2024-11-18 11:57:39
AC	实体303	26ms	504 KiB	C++14(O2)	129 Bytes	2025-11-29 15:33:35
AC	Mike1378	27ms	628 KiB	C++14(O2)	117 Bytes	2026-1-17 15:21:26
AC	lwz1218	27ms	552 KiB	C++14(O2)	151 Bytes	2025-2-23 22:05:49
AC	LMC	27ms	768 KiB	C++14(O2)	147 Bytes	2025-2-9 18:29:16
AC	lyj	28ms	764 KiB	C++14(O2)	170 Bytes	2024-12-8 21:08:11
AC	cjk2024	28ms	764 KiB	C++14(O2)	154 Bytes	2025-2-9 16:14:36
AC	Willson	28ms	760 KiB	C++14(O2)	116 Bytes	2025-11-21 21:26:21
AC	wsz20121019	29ms	764 KiB	C++98	170 Bytes	2024-11-12 21:38:21
AC	陈嵘坤	29ms	620 KiB	C++14(O2)	149 Bytes	2024-12-14 23:55:24
AC	zyx20131212	29ms	764 KiB	C++14(O2)	140 Bytes	2025-2-8 18:23:40
AC	xxw	30ms	768 KiB	C++14(O2)	117 Bytes	2024-9-8 14:22:55