输出有约束的4位电话号码

状态	递交者	时间	内存	语言	代码	递交时间
AC	liuzirui	2ms	384 KiB	C++98	365 Bytes	2024-10-2 15:02:28
AC	gaojingxuan	2ms	384 KiB	C++98	444 Bytes	2025-3-20 19:20:38
AC	从天	2ms	384 KiB	C++98	427 Bytes	2024-10-2 10:50:22
AC	yangpeilin2024	2ms	384 KiB	C++98	488 Bytes	2024-10-2 11:32:38
AC	administrator	2ms	384 KiB	C++98	563 Bytes	2023-11-5 15:11:26
AC	ccyy1201	2ms	512 KiB	C++98	356 Bytes	2024-10-2 9:12:35
AC	赵君哲	2ms	384 KiB	C++98	391 Bytes	2024-10-2 14:44:33
AC	lidanjun	2ms	384 KiB	C++98	553 Bytes	2024-10-3 10:55:41
AC	duyuchen_1	2ms	384 KiB	C++98	478 Bytes	2024-10-2 15:26:00
AC	lizhi	2ms	384 KiB	C++98	436 Bytes	2024-10-2 13:52:23
AC	zcrzcr	2ms	384 KiB	C++98	444 Bytes	2024-10-4 11:21:53
AC	zhaojunhao1225	2ms	384 KiB	C++98	759 Bytes	2024-10-2 17:11:12
AC	ly123456	2ms	384 KiB	C++98	444 Bytes	2024-12-9 22:38:48
AC	贾恩卓	2ms	384 KiB	C++98	444 Bytes	2024-10-2 13:51:07
AC	FX20190819	2ms	1.6 MiB	C++98	444 Bytes	2025-1-22 9:28:11
AC	路人甲	3ms	384 KiB	C++98	444 Bytes	2025-4-11 21:43:48