arielscarpinelli / discrete-optimization Goto Github PK

Hello i wanna ask, i got problem when run python

python solver.py ./data/vrp_5_4_1

this error:
Solving: ./data/vrp_5_4_1
5
4
Traceback (most recent call last):
File "solver.py", line 221, in
print solve_it(input_data)
File "solver.py", line 198, in solve_it
(obj, vehicle_tours) = solve_routing(customers, customer_count, vehicle_count, vehicle_capacity)
File "solver.py", line 60, in solve_routing
routing = pywrapcp.RoutingModel(customerCount, vehicleCount)
File "C:\Users\agung\AppData\Roaming\Python\Python27\site-packages\ortools\constraint_solver\pywrapcp.py", line 3608, in init
this = _pywrapcp.new_RoutingModel(*args)
NotImplementedError: Wrong number or type of arguments for overloaded function 'new_RoutingModel'.
Possible C/C++ prototypes are:
operations_research::RoutingModel::RoutingModel(int,int,std::vector< operations_research::RoutingModel::NodeIndex,std::allocator< operations_research::RoutingModel::NodeIndex > > const &,std::vector< operations_research::RoutingModel::NodeIndex,std::allocator< operations_research::RoutingModel::NodeIndex > > const &)
operations_research::RoutingModel::RoutingModel(int,int,std::vector< operations_research::RoutingModel::NodeIndex,std::allocator< operations_research::RoutingModel::NodeIndex > > const &,std::vector< operations_research::RoutingModel::NodeIndex,std::allocator< operations_research::RoutingModel::NodeIndex > > const &,operations_research::RoutingModelParameters const &)
operations_research::RoutingModel::RoutingModel(int,int,int)
operations_research::RoutingModel::RoutingModel(int,int,int,operations_research::RoutingModelParameters const &)