v2.0

comivoyar/Program.cs

@@ -9,26 +9,26 @@ namespace komvo
 {
     class Program
     {
-        public static List<Point> Points = new List<Point>();
-        public static List<string> Infinitives = new List<string>();
-
         static void Main(string[] args)
         {
+            Beginig:
+
+            List<Point> Points = new List<Point>();
+            Random random = new Random();
+            int pCount;
+            Write("Введите количество точек: ");
+            pCount = Convert.ToInt32(ReadLine());
             Stopwatch stopwatch = new Stopwatch();
             stopwatch.Start();
-            string file = "coord.txt";
 
-            using (StreamReader cr = new StreamReader(file))
+            for(int i = 0; i < pCount; i++)
             {
-                string line;
+                int x = random.Next(80);
-                while ((line = cr.ReadLine()) != null)
+                int y = random.Next(70);
-                {
+                Points.Add(new Point { X = x, Y = y });
-                    string[] str = line.Split();
+                WriteLine("Точка {0} [{1};{2}]", i + 1, x, y);
-                    Points.Add(new Point { X = int.Parse(str[0]), Y = int.Parse(str[1]) });
-                    WriteLine(str[0] + " " + str[1]);
-                }
             }
-            WriteLine();
+            WriteLine("\n");
 
             int matr = Points.Count;
             double[,] Matrix = new double[matr, matr];
@@ -47,128 +47,66 @@ namespace komvo
 
             int[] toSwap = new int[Points.Count - 1];
             for (int i = 0; i <= toSwap.Length - 1; i++) toSwap[i] = i + 2;
+            //for (int i = 0; i < toSwap.Length; i++) Write(toSwap[i]);         //debug
 
-
+            int index = 0;
-            //for (int i = 0; i < toSwap.Length; i++) WriteLine(toSwap[i]);
+            double opLength = 0, prevResult = 0;
-
+            string opRoute = string.Empty;
-            int fct = Fact(Points.Count - 1);
-
-            string[] routes = new string[fct];
-            double[] leng = new double[fct];
-
-            double optim = leng[0];
-            int oIndex = 0;
 
             Permutations<int> perm = new Permutations<int>(toSwap);
-            int index = 0;
             foreach(IList<int> p in perm)
             {
-                string res = string.Empty;
+                string route = string.Empty;
-                for (int i = 0; i < toSwap.Length; i++) res += p[i].ToString() + ";";
+                for (int i = 0; i < toSwap.Length; i++) route += p[i].ToString() + ";";
-                routes[index++] = res;
+                opLength = CountLength(Matrix, route);
-            }
-
-
-            //for (int i = 0; i < routes.Length; i++) WriteLine(routes[i]);
-
-
 
+                if (index != 0)
+                {
+                    if (opLength > prevResult)
+                    {
+                        opLength = prevResult;
+                        opRoute = route;
+                    }
+                }
+                else prevResult = opLength;
 
-            //CountLen(ref leng, Matrix, routes);
+                index++;
-            CountLen2(ref leng, Matrix, routes);
+            }
-            SearchBest(ref optim, ref oIndex, routes, leng);
-            //Debug(routes);
 
-            WriteLine("\n\n1{1}1 - оптимальный маршрут длинной {0:00.00}\nВсего маршрутов {2}\n{4} {3}",
+            WriteLine("\n\n1;{1}1 - оптимальный маршрут длинной {0:00.00}\nИз {2} маршрутов при {3} точках\nПосчитано за {4} мс\n\n",
-                optim, routes[oIndex], routes.Length, fct, Points.Count);
+                opLength, opRoute, Fact(Points.Count-1), Points.Count, stopwatch.ElapsedMilliseconds);
-            WriteLine(stopwatch.ElapsedMilliseconds + "ms");
             stopwatch.Stop();
 
-            ReadKey();
+            Write("Ещё раз? (y/n)");
+            char answer = Convert.ToChar(ReadLine());
+            if (answer == 'y')
+            {
+                Points.Clear();
+                goto Beginig;
+            }
         }
 
-
+        public static double CountLength(double[,] mtr, string route)
-        public static void CountLen2(ref double[] result, double[,] mtr, string[] rts)
-        {
-            //WriteLine("loading 00%");
-            for (int i = 0; i < rts.Length; i++)
         {
-                double res = 0;
+            double result = 0;
-                //char[] ch = rts[i].ToCharArray();
+            string[] index = route.Split(';');
-                //CursorLeft -= 3;
-                //int percent = i / rts.Length * 100;
-                //Write("{0:00}%");
-
-                string[] index = rts[i].Split(';');
 
             for (int j = 0; j < index.Length - 1; j++)
             {
                 string dg = index[j];
                 int db = int.Parse(index[j]) - 2;           //debug
-                    string db1 = rts[i].ToString();             //debug
+                if (j == 0) result += mtr[0, int.Parse(index[j]) - 1];
-                    if (j == 0) res += mtr[0, int.Parse(index[j]) - 1];
                 else if (j == index.Length - 1)
                 {
-                        res += mtr[int.Parse(index[j - 1]) - 2, int.Parse(index[j]) - 2];
+                    result += mtr[int.Parse(index[j - 1]) - 2, int.Parse(index[j]) - 2];
-                        res += mtr[0, int.Parse(index[j]) - 2];
+                    result += mtr[0, int.Parse(index[j]) - 2];
                 }
                 else
                 {
-                        res += mtr[int.Parse(index[j - 1]) - 2, int.Parse(index[j]) - 2];
+                    result += mtr[int.Parse(index[j - 1]) - 2, int.Parse(index[j]) - 2];
                 }
             }
-                result[i] = res;
+            return result;
-            }
-        }
-
-
-        public static void CountLen (ref double[] result, double[,] mtr, string[] rts)
-        {
-            for (int i = 0; i < rts.Length; i++)
-            {
-                double res = 0;
-                char[] ch = rts[i].ToCharArray();
-                for (int j = 0; j < ch.Length; j++)
-                {
-                    int db = int.Parse(ch[j].ToString()) - 1;   //debug
-                    string db1 = rts[i].ToString();             //debug
-                    if (j == 0) res += mtr[0, int.Parse(ch[j].ToString()) - 1];
-                    else if (j == ch.Length - 1)
-                    {
-                        res += mtr[int.Parse(ch[j - 1].ToString()) - 1, int.Parse(ch[j].ToString()) - 1];
-                        res += mtr[0, int.Parse(ch[j].ToString()) - 1];
-                    }
-                    else
-                    {
-                        res += mtr[int.Parse(ch[j - 1].ToString()) - 1, int.Parse(ch[j].ToString()) - 1];
-                    }
-                }
-                result[i] = res;
-            }
-        }
-
-        public static void SearchBest(ref double optim, ref int oIndex, string[] routes, double[] leng)
-        {
-            optim = leng[0];
-            oIndex = 0;
-            for (int i = 0; i < leng.Length; i++)
-            {
-                //WriteLine("{0:N2} - {1}", leng[i], routes[i]);
-                if (optim > leng[i])
-                {
-                    optim = leng[i];
-                    oIndex = i;
-                }
-            }
-        }
-
-        public static void Debug (string[] routes)
-        {
-            for (int i = 0; i < routes.Length; i++)
-            {
-                for (int j = i + 1; j < routes.Length - 1; j++)
-                    if (routes[i].Equals(routes[j])) WriteLine("{0} {2}:: {1} {3}!!!!", routes[i], routes[j], i, j);
-            }
         }
 
         public partial struct Point

comivoyar/bin/Debug/coord.txt

@@ -1,10 +1,7 @@
-0 0
+1 0
-10 10
+2 10
-30 20
+3 20
-20 30
+4 30
-10 40
+5 40
-20 50
+6 50
-10 60
+7 60
-50 70
-20 80
-30 100

comivoyar/obj/Debug/comivoyar.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-f0bb9fd207d6bf2b73407612668fe4a2e047ddf3
+47ece507326a3ff73baa3b75434a7d03f71dc86d