implementation VrpSolver::Fleet::is_feasible(size_t)
vehicle.cppの内容はfleet.cppに含めたので削除
Merge branch 'file_unite_fleet_and_vehicle'
indent comments
change type of Cvrp::num_vehicles_ from 'unsigned int' to 'size_t'
implement algorithm that vehicles visit customer randomly satisfying constraint of capacity
implement is_visit(const Customer&)
use is_visit(const Customer&) instead is_visit(unsigned int)
change is_visit(*) to is_visit(*) const
new line
fix indent
change index
change index
change init value of current_