#includevoid main(){ int arr[100][100],n,m,i,j; long sum=0; scanf("%d%d"慧尺肢,&m,&n); for(j=0;j for(i=0;i scanf("前世%d",&arr[j][i]); for(i=0;i sum+=arr[i][i]+arr[i][n-i-1]; printf("%d\n"困配,sum);}
