【例36.1】计算矩阵边缘元素之和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	huangyishan	14ms	508 KiB	C++11(O2)	262 Bytes	2025-11-23 15:31:25
AC	zhouchenshuo	17ms	504 KiB	C++11(O2)	405 Bytes	2025-11-22 13:35:54
AC	jiakaibo	18ms	508 KiB	C++11(O2)	303 Bytes	2025-11-23 12:53:12
AC	majunjie	18ms	504 KiB	C++11(O2)	249 Bytes	2025-11-23 15:32:12
AC	liujinyang	19ms	564 KiB	C++11(O2)	711 Bytes	2025-11-21 18:45:19
AC	lishaojie	19ms	504 KiB	C++11(O2)	527 Bytes	2025-11-23 15:49:47