17 using System.Collections.Generic;
27 public long[,] DistanceMatrix = {
28 {0, 548, 776, 696, 582, 274, 502, 194, 308, 194, 536, 502, 388, 354, 468, 776, 662},
29 {548, 0, 684, 308, 194, 502, 730, 354, 696, 742, 1084, 594, 480, 674, 1016, 868, 1210},
30 {776, 684, 0, 992, 878, 502, 274, 810, 468, 742, 400, 1278, 1164, 1130, 788, 1552, 754},
31 {696, 308, 992, 0, 114, 650, 878, 502, 844, 890, 1232, 514, 628, 822, 1164, 560, 1358},
32 {582, 194, 878, 114, 0, 536, 764, 388, 730, 776, 1118, 400, 514, 708, 1050, 674, 1244},
33 {274, 502, 502, 650, 536, 0, 228, 308, 194, 240, 582, 776, 662, 628, 514, 1050, 708},
34 {502, 730, 274, 878, 764, 228, 0, 536, 194, 468, 354, 1004, 890, 856, 514, 1278, 480},
35 {194, 354, 810, 502, 388, 308, 536, 0, 342, 388, 730, 468, 354, 320, 662, 742, 856},
36 {308, 696, 468, 844, 730, 194, 194, 342, 0, 274, 388, 810, 696, 662, 320, 1084, 514},
37 {194, 742, 742, 890, 776, 240, 468, 388, 274, 0, 342, 536, 422, 388, 274, 810, 468},
38 {536, 1084, 400, 1232, 1118, 582, 354, 730, 388, 342, 0, 878, 764, 730, 388, 1152, 354},
39 {502, 594, 1278, 514, 400, 776, 1004, 468, 810, 536, 878, 0, 114, 308, 650, 274, 844},
40 {388, 480, 1164, 628, 514, 662, 890, 354, 696, 422, 764, 114, 0, 194, 536, 388, 730},
41 {354, 674, 1130, 822, 708, 628, 856, 320, 662, 388, 730, 308, 194, 0, 342, 422, 536},
42 {468, 1016, 788, 1164, 1050, 514, 514, 662, 320, 274, 388, 650, 536, 342, 0, 764, 194},
43 {776, 868, 1552, 560, 674, 1050, 1278, 742, 1084, 810, 1152, 274, 388, 422, 764, 0, 798},
44 {662, 1210, 754, 1358, 1244, 708, 480, 856, 514, 468, 354, 844, 730, 536, 194, 798, 0},
48 new long[] {8, 16, 14, 13, 12, 11},
49 new long[] {3, 4, 9, 10},
51 new long[] {7, 5, 2, 6},
54 public int VehicleNumber = 4;
63 static void PrintSolution(
69 long maxRouteDistance = 0;
70 for (
int i = 0; i < data.VehicleNumber; ++i) {
71 Console.WriteLine(
"Route for Vehicle {0}:", i);
72 long routeDistance = 0;
73 var index = routing.Start(i);
74 while (routing.IsEnd(index) ==
false) {
75 Console.Write(
"{0} -> ", manager.IndexToNode((
int)index));
76 var previousIndex = index;
77 index = solution.Value(routing.NextVar(index));
78 routeDistance += routing.GetArcCostForVehicle(previousIndex, index, 0);
80 Console.WriteLine(
"{0}", manager.IndexToNode((
int)index));
81 Console.WriteLine(
"Distance of the route: {0}", routeDistance);
82 maxRouteDistance = Math.Max(routeDistance, maxRouteDistance);
84 Console.WriteLine(
"Maximum distance of the routes: {0}", maxRouteDistance);
88 public static void Main(String[] args) {
91 DataModel data =
new DataModel();
97 data.DistanceMatrix.GetLength(0),
110 (
long fromIndex,
long toIndex) => {
114 return data.DistanceMatrix[fromNode, toNode]; }
135 data.InitialRoutes,
true);
137 Console.WriteLine(
"Initial solution:");
138 PrintSolution(data, routing, manager, initialSolution);
154 Console.WriteLine(
"Solution after search:");
155 PrintSolution(data, routing, manager, solution);