from problems.pdtrp.problem_pdtrp import PDTRP
from problems.pdcvrp.problem_pdcvrp import PDCVRP
from problems.pdtrp_tw.problem_pdtrptw import PDTRPTW
from problems.pdcvrp_tw.problem_pdcvrptw import PDCVRPTW
from problems.tsp.problem_tsp import TSP, TSPSL

from problems.location_generation import subregion_generation