主对角线求和

状态	递交者	时间	内存	语言	代码	递交时间
AC	Jiange	3ms	2.1 MiB	C++	276 Bytes	2024-11-25 21:09:15
AC	ght	3ms	2.2 MiB	C++	297 Bytes	2024-7-25 11:06:22
AC	chenhaoxiang1	3ms	2.2 MiB	C++	267 Bytes	2024-7-25 11:06:12
AC	chenliang	3ms	2.2 MiB	C++	272 Bytes	2025-3-27 21:40:42
AC	xzhengchengxuan	3ms	2.2 MiB	C++	298 Bytes	2024-12-27 22:36:38
AC	xyangyoujian	3ms	2.2 MiB	C++	252 Bytes	2024-11-25 22:16:51
AC	heyuxuan	3ms	2.2 MiB	C++	314 Bytes	2025-3-22 21:36:37
AC	liangjunxi	4ms	2.2 MiB	C++	399 Bytes	2025-3-29 12:28:13
AC	wengzhaoyu8	5ms	504 KiB	C++14(O2)	224 Bytes	2025-12-30 13:15:39
AC	xmahaotao	7ms	5.9 MiB	C++	240 Bytes	2024-11-25 21:07:00