static void Main(string[] args) { /* * string[] myArray = new string[] {"Item1", "Item2" , "Item3" , "Item4" , "Item5", * "Item6", "Item7","Item8","Item9","Item10"}; * Console.WriteLine("Item at index 2 is: " + myArray[2]); * Console.WriteLine(); * * Console.WriteLine("This is the contents of the array. "); * foreach(string value in myArray) * { * Console.WriteLine(value); * } */ /* * Queue<int> queue = new Queue<int>(10); * * for(int i=0; i<10; i++) * { * queue.enqueue(i + 1); * } * * for (int i = 0; i < 5; i++) * { * Console.WriteLine("Peek " + queue.peek()); * * Console.WriteLine("dequeed " + queue.dequeue()); * Console.WriteLine("New Peek " + queue.peek()); * } * * queue.enqueue(11); * queue.enqueue(12); * queue.enqueue(13); * queue.enqueue(14); * queue.enqueue(15); * * for (int i = 0; i < 10; i++) * { * Console.WriteLine("Peek " + queue.peek()); * * Console.WriteLine("dequeed " + queue.dequeue()); * Console.WriteLine("New Peek " + queue.peek()); * } */ //single linklist /* * LinkedList<string> list = new LinkedList<string>(); * list.head = new Node("B"); * Node second = new Node("C"); * Node third = new Node("E"); * * list.head.next = second; * second.next = third; * * list.PrintList(); * Console.WriteLine(); * list.Push("A"); * * list.PrintList(); * list.InsertAfter(second, "D"); * Console.WriteLine(); * list.PrintList(); * * list.append("K"); * Console.WriteLine(); * list.PrintList(); * * list.deleteNode("K"); * Console.WriteLine(); * list.PrintList(); * * list.clear(); * Console.WriteLine(); * list.PrintList(); */ // circular LinkList /* * CLinkedList<string> list = new CLinkedList<string>(); * * list.head = null; * * Node second = list.Push(list.head, "A"); * Node third = list.Push(second, "B"); * Node four = list.Push(third, "C"); * Node five = list.Push(four, "D"); * Node six = list.Push(five, "E"); * * list.PrintList(six); */ //int[] a = { 1, 1, 2, 2, 4, 4, 5}; //Console.WriteLine(FindSingleElement(a)); //Console.WriteLine(FindStonesNum("aA", "aAAbbbb")); //stack Stack <int> p = new Stack <int>(5); p.Push(1); p.Push(2); p.Push(3); p.Push(4); p.printStack(); Console.WriteLine(p.Peek()); p.Pop(); p.printStack(); Console.WriteLine(p.Peek()); }