gcc column.c -o column
gcc row.c -o row


$ time ./row
real    0m1.388s
user    0m0.943s
sys     0m0.444s
 **
$ time ./column
real    0m4.538s
user    0m4.068s
sys     0m0.468s


$ ./inspect
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
$