Exemple #1
0
        public static void Main(string[] args)
        {
            const int   count = 100;
            Treap <int> treap = new Treap <int>(Comparer <int> .Default);

            for (int i = 0; i < count; ++i)
            {
                treap.Add(i);
            }
            for (int i = 0; i < count; ++i)
            {
                treap.Add(~i);
            }
            //foreach (int item in treap)
            //{
            //    Console.Write(item);
            //    Console.Write(' ');
            //}
            OrderKeeper <int> keep = new OrderKeeper <int>(0);

            for (int i = 1; i < count; ++i)
            {
                keep.AddAfter(i - 1, i);
            }
            for (int i = 0; i < count; ++i)
            {
                keep.AddBefore(-i, ~i);
            }
            //foreach (int item in keep)
            //{
            //    Console.Write(item);
            //    Console.Write(' ');
            //}

            LinnormPRNG rng = new LinnormPRNG(1337);

            for (int i = 0; i < count; i++)
            {
                int idx1 = rng.Next(-count, count), idx2 = rng.Next(-count, count);
                Console.WriteLine("idx1 " + idx1 + " with path " + treap.Path(idx1) + ", idx2 " + idx2 + " with path " + treap.Path(idx2));
                if (keep.OrderOf(idx1, idx2) != treap.Before(idx1, idx2))
                {
                    Console.WriteLine("PROBLEM: idx1 " + idx1 + ", id2 " + idx2 + "; OrderKeeper gives " + keep.OrderOf(idx1, idx2) + "; Treap gives " + treap.Before(idx1, idx2));
                }
            }

            /*
             * start = DateTime.Now;
             * OrderKeeper<string> keeper;
             * List<string> items = new List<string>(count);
             * keeper = new OrderKeeper<string>("0");
             * for(int i = 1; i < count; ++i)
             * {
             *  keeper.AddAfter((i - 1).ToString(), i.ToString());
             * }
             * Console.WriteLine("ADD AT END done in " + DateTime.Now.Subtract(start).TotalMilliseconds + " ms");
             #if EXTRA
             * Console.WriteLine("AT END:  Relabelings: " + keeper.relabelings);
             #endif
             * start = DateTime.Now;
             * keeper = new OrderKeeper<string>("0");
             * for(int i = 1; i < count; ++i)
             * {
             *  keeper.AddAfter(keeper.First, i.ToString());
             * }
             * Console.WriteLine("ADD AT START done in " + DateTime.Now.Subtract(start).TotalMilliseconds + " ms");
             #if EXTRA
             * Console.WriteLine("AT START:  Relabelings: " + keeper.relabelings);
             #endif
             * items.Add("0");
             * start = DateTime.Now;
             * keeper = new OrderKeeper<string>("0");
             * for(int i = 1; i < count; ++i)
             * {
             *  string istr = i.ToString();
             *  keeper.AddAfter(items[items.Count / 2], istr);
             *  items.Add(istr);
             * }
             * Console.WriteLine("ADD IN MIDDLE done in " + DateTime.Now.Subtract(start).TotalMilliseconds + " ms");
             #if EXTRA
             * Console.WriteLine("IN MIDDLE:  Relabelings: " + keeper.relabelings);
             #endif
             * items.Clear();
             * items.Add("0");
             * start = DateTime.Now;
             * keeper = new OrderKeeper<string>("0");
             * RNG random = new RNG(0xDADABAFFL);
             * for(int i = 1; i < count; ++i)
             * {
             *  string istr = i.ToString();
             *  keeper.AddAfter(items[random.Next(items.Count)], istr);
             *  items.Add(istr);
             * }
             * Console.WriteLine("ADD AT RANDOM done in " + DateTime.Now.Subtract(start).TotalMilliseconds + " ms");
             #if EXTRA
             * Console.WriteLine("RANDOM:  Relabelings: " + keeper.relabelings);
             #endif
             *
             *
             * Console.WriteLine("Finished in " + DateTime.Now.Subtract(start).TotalMilliseconds + " ms");
             * //int size = keeper.Count;
             * //SortedSet<ulong> labels = new SortedSet<ulong>();
             * //Record<string> current;
             * //foreach(string s in keeper)
             * //{
             * //    current = keeper[s];
             * //    if(labels.Add(current.Label))
             * //    {
             * //        // this info takes way too long to print; commented out
             * //        //Console.WriteLine($"{s,-3}" + ": " + current.Label);
             * //    }
             * //    else
             * //    {
             * //        // shouldn't happen
             * //        Console.WriteLine("DUPLICATE LABEL FOR ITEM " + s + ": " + current.Label);
             * //        break;
             * //    }
             * //}
             * //foreach(string s in keeper)
             * //{
             * //    current = keeper[s];
             * //    if(current.Next.Equals(keeper.First)) break;
             * //    if(!keeper.OrderOf(s, current.Next.Item))
             * //    {
             * //        Console.WriteLine("BAD LABEL ORDER; ITEM " + s + " (LABEL " + current.Label + ") IS AFTER ITEM " + (current.Next.Item) + " (LABEL " + current.Next.Label + ")");
             * //        break;
             *
             * //    }
             * //}
             */
            Console.WriteLine("Press any key to close (maybe twice?)");
            Console.ReadKey();
        }