【例21.2】判断整数位数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	初二352凃洋	52ms	540 KiB	C++98	351 Bytes	2026-3-31 15:31:01
AC	初二352谭凯中	705ms	4.1 MiB	Python 3	34 Bytes	2026-4-7 14:54:56
AC	初二352李银河	723ms	3.9 MiB	Python 3	34 Bytes	2026-4-7 15:16:46
AC	long	755ms	4 MiB	Python 3	153 Bytes	2026-3-28 19:32:19