Esempio n. 1
0
        private static HashDequeue.Node fromLeft(HashDequeue.Node n)
        {
            int i = 0;

            while (n.next != null)
            {
                n = n.next;
                ++i;
            }
            return(new HashDequeue.Node(n, null, i));
        }
Esempio n. 2
0
        private static HashDequeue.Node fromRight(HashDequeue.Node n)
        {
            int i = 0;

            while (n.prev != null)
            {
                n = n.prev;
                ++i;
            }
            return(new HashDequeue.Node(n, null, i));
        }
Esempio n. 3
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        // does everything - finds closest node to the one we want to be next too and places it there
        private static void findBest(HashDequeue.Node n, HashDequeue.Node connect)
        {
            HashDequeue.Node t = n;
            while (t != null)
            {
                if (t.data == connect.data)
                {
                    return;
                }
                else
                {
                    t = t.next;
                }
            }

            t = n;
            while (t != null)
            {
                if (t.data == connect.data)
                {
                    return;
                }
                else
                {
                    t = t.prev;
                }
            }

            HashDequeue.Node Lconnect = fromLeft(connect);
            HashDequeue.Node Rconnect = fromRight(connect);
            HashDequeue.Node L        = fromLeft(n);
            HashDequeue.Node R        = fromRight(n);

            answer.insert(connect);
            if (L.data + Rconnect.data < R.data + Lconnect.data)
            {
                L.next.next        = Rconnect.next;
                Rconnect.next.prev = L.next;
                return;
            }
            R.next.prev        = Lconnect.next;
            Lconnect.next.next = R.next;
        }
Esempio n. 4
0
        private static List <int> solveProblem(int[,] matrix)
        {
            int row;
            int col;

            while ((row = findMostConnections(matrix)) >= 0)
            {
                col = getRowHigh(row, matrix);
                if (answer.Contains(col))
                {
                    if (answer.Contains(row))
                    {
                        findBest(answer.getInt(col), answer.getInt(row));
                    }
                    else
                    {
                        findBest(answer.getInt(col), new HashDequeue.Node(null, null, row));
                    }
                }
                else
                {
                    HashDequeue.Node n = new HashDequeue.Node(null, null, col);
                    answer.insert(n);
                    if (answer.Contains(row))
                    {
                        findBest(n, answer.getInt(row));
                    }
                    else
                    {
                        findBest(n, new HashDequeue.Node(null, null, row));
                    }
                }
                zero(row, col, matrix);
            }

            return(answer.toList());
        }
Esempio n. 5
0
        private static List<int> solveProblem(int[,] matrix)
        {
            int row;
            int col;
            while ((row = findMostConnections(matrix)) >= 0) {
                col = getRowHigh(row, matrix);
                if (answer.Contains(col)) {
                    if (answer.Contains(row))
                        findBest(answer.getInt(col), answer.getInt(row));
                    else
                        findBest(answer.getInt(col), new HashDequeue.Node(null, null, row));
                } else {
                    HashDequeue.Node n = new HashDequeue.Node(null, null, col);
                    answer.insert(n);
                    if (answer.Contains(row))
                        findBest(n, answer.getInt(row));
                    else
                        findBest(n, new HashDequeue.Node(null, null, row));
                }
                zero(row, col, matrix);
            }

            return answer.toList();
        }