求一个3*3矩阵对角线元素之和

状态	递交者	时间	内存	语言	代码	递交时间
AC	刘芃慧	18ms	380 KiB	C++17(O2)	275 Bytes	2024-11-18 20:31:16
AC	1952832816	18ms	504 KiB	C++17(O2)	234 Bytes	2024-11-2 22:05:41
AC	zzz666	18ms	504 KiB	C++17(O2)	270 Bytes	2024-12-18 21:58:51
AC	轻尘呦	18ms	540 KiB	C++17(O2)	304 Bytes	2025-7-23 23:02:55
AC	202403013092	18ms	504 KiB	C++17(O2)	198 Bytes	2024-12-13 16:48:06
AC	七柒	19ms	504 KiB	C++17(O2)	210 Bytes	2024-10-17 15:57:58
AC	Dona	19ms	772 KiB	C++17(O2)	206 Bytes	2025-8-11 23:29:59
AC	超级无敌霹雳瑶	19ms	504 KiB	C++17(O2)	255 Bytes	2024-10-5 17:37:10
AC	shiina	20ms	540 KiB	C++17(O2)	300 Bytes	2025-9-6 15:24:40
AC	2586743928	22ms	512 KiB	C++17(O2)	311 Bytes	2025-8-12 21:59:51
AC	星落待月明.	22ms	632 KiB	C++17(O2)	270 Bytes	2024-10-15 10:59:48
AC	Cirpt	23ms	516 KiB	C++17(O2)	204 Bytes	2025-7-24 13:35:32
AC	victoryAC	67ms	504 KiB	C++20	545 Bytes	2024-7-30 20:17:07