打印对角线

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	liuhaoqi	3ms	9 MiB	C++98	320 Bytes	2025-1-21 10:20:03
AC	heliangyu	3ms	9 MiB	C++98	416 Bytes	2025-1-21 10:34:02
AC	xyls	3ms	9 MiB	C++98	372 Bytes	2025-1-19 22:25:56
AC	huangshengfeng	3ms	9.1 MiB	C++98	276 Bytes	2025-10-31 18:23:06
AC	luyixin	4ms	9.1 MiB	C++98	219 Bytes	2025-10-25 9:39:26
AC	lichengjun	4ms	9.1 MiB	C++98	228 Bytes	2025-10-25 15:30:25
AC	luyanyi	4ms	9.1 MiB	C++98	231 Bytes	2025-10-25 15:30:18
AC	baoyufu	4ms	9.1 MiB	C++98	922 Bytes	2025-10-31 18:23:04
AC	yuantushun	4ms	9.1 MiB	C++98	227 Bytes	2025-10-25 15:27:15
AC	jiangxingxing	5ms	9.1 MiB	C++98	233 Bytes	2025-10-25 9:38:32