./preflow_demo_leda < flow-1.dim

 ./preflow_demo_leda < $1

 ./preflow_demo_boost < flow-1.dim

 ./preflow_demo_boost < $1

 ./edmonds_karp_demo < flow-1.dim

 ./preflow_demo_jacint < $1

 ./edmonds_karp_demo_boost < flow-1.dim

 ./preflow_demo_athos < $1

 ./edmonds_karp_demo < $1

 ./edmonds_karp_demo_boost < $1