判断是否为两位数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	AzeQ	14ms	408 KiB	C++11	110 Bytes	2023-10-15 20:52:10
AC	oyf	14ms	1 MiB	Golang 1.18	133 Bytes	2023-11-2 21:08:26
AC	Lucia-X	14ms	632 KiB	C++11	124 Bytes	2023-10-20 23:30:28
AC	凉凉人	15ms	504 KiB	C++11	135 Bytes	2023-10-15 15:14:29
AC	zhuozhuo	15ms	388 KiB	C++11	155 Bytes	2023-6-18 14:58:06
AC	2073390431	16ms	412 KiB	C++11	229 Bytes	2023-8-1 15:09:56
AC	逐风(张朔城)	17ms	412 KiB	C++11	204 Bytes	2023-7-31 19:48:26
AC	mua	151ms	3.6 MiB	Python 3	57 Bytes	2025-3-2 20:17:26
AC	HHHHSYL	162ms	3.6 MiB	Python 3	70 Bytes	2024-6-17 19:10:29
AC	543229485	171ms	3.5 MiB	Python 3	64 Bytes	2023-9-27 12:35:29
AC	Lost	172ms	3.6 MiB	Python 3	63 Bytes	2024-11-13 11:11:04
AC	nofur	174ms	3.6 MiB	Python 3	64 Bytes	2023-10-6 16:02:22
AC	543229485	175ms	3.5 MiB	Python 3	64 Bytes	2023-9-27 12:35:46
AC	xuan liyu	686ms	9.5 MiB	Java	1.2 KiB	2024-1-20 10:53:27
AC	成功	846ms	10.9 MiB	Java	249 Bytes	2024-2-26 11:03:23
AC	span	860ms	11.1 MiB	Java	309 Bytes	2023-7-2 16:32:31