php hashcode.php a_an_example.in.txt
Clients: 2
php hashcode.php b_basic.in.txt
Clients: 5
php hashcode.php c_coarse.in.txt
Clients: 4
php hashcode.php d_difficult.in.txt
Clients: 1516
php hashcode.php e_elaborate.in.txt
Clients: 1794
1516+1794+2+5+4
3321