【例21.2】判断整数位数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	谢钰莹	49ms	760 KiB	C++98	269 Bytes	2025-12-1 20:34:33
AC	朱梓霖	52ms	508 KiB	C++98	186 Bytes	2025-10-1 10:47:54
AC	庞少卿	53ms	532 KiB	C++98	119 Bytes	2025-10-20 20:17:33
AC	李文茵	54ms	760 KiB	C++98	253 Bytes	2025-10-28 22:05:15
AC	陈沛宜	54ms	532 KiB	C++98	233 Bytes	2025-12-3 11:52:34
AC	冼子童	55ms	512 KiB	C++98	255 Bytes	2025-12-11 16:39:27
AC	劳钰峰	55ms	508 KiB	C++98	172 Bytes	2025-10-1 12:06:46
AC	张若煊	56ms	764 KiB	C++98	149 Bytes	2025-9-24 19:15:47
AC	朱子轩	58ms	768 KiB	C++14(O2)	139 Bytes	2025-9-15 20:29:56