def main():
filename = 'r03.1_R_H_20.dow' if len(argv) <= 1 \
else argv[1]
data = read_data(filename)
start = time()
data.graph = make_graph(data)
subproblems = populate_dual_subproblem(data)
master = populate_master(data)
master = add_in_out_cuts(master, subproblems, data)
master_callback = callback_data(subproblems, data)
master.optimize(master_callback)
stop = time()
print('Total time: {} seconds'.format(round(stop - start, 0)))
def main():
filename = 'r03.1_R_H_20.dow' if len(argv) <= 1 \
else argv[1]
data = read_data(filename)
start = time()
data.graph = make_graph(data)
# objective, open_arcs = heuristic(data, 2, 'u')[:2]
# print 'Heuristic objective value: {}'.format(objective)
subproblems = populate_dual_subproblem(data)
master = populate_master(data)
master_callback = callback_data(subproblems, data)
master.optimize(master_callback)
stop = time()
print 'Total time: {} seconds'.format(round(stop - start, 0))