void main()
{
int r,c,a[5][5],j,i;
clrscr();
printf("Enter the order of the matrix\n");
scanf("%d%d",&r,&c);
printf("enter the elements of the matrix\n");
for(i=0;i<r;i++)
for(j=0;j<c;j++)
scanf("%d",&a[i][j]);
printf("input matrix is\n");
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
printf ("%d\t",a[i][j]);
printf("\n");
}
sumr(r,c,a);
sumc(r,c,a);
getch();
}
SumType sum_vertices(std::string base_filename, vid_t fromv, vid_t tov) {
SumCallback<VertexDataType, SumType> sumc(0);
foreach_vertices<VertexDataType>(base_filename, fromv, tov, sumc);
return sumc.accum;
}