static void StacksQueue_Main(String[] args)
{
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution */
TextWriter textWriter = new StreamWriter(System.Environment.GetEnvironmentVariable("OUTPUT_PATH"), true);
StacksQueue <int> queue = new StacksQueue <int>();
int g = Convert.ToInt32(Console.ReadLine());
for (int i = 0; i < g; i++)
{
string[] split = Console.ReadLine().Split(' ');
switch (split[0])
{
case "1": //Enqueue
queue.Enqueue(int.Parse(split[1]));
break;
case "2": //Dequeue:
queue.Dequeue();
break;
case "3": //Print:
textWriter.WriteLine(queue.Peek());
break;
}
}
textWriter.Flush();
textWriter.Close();
}
public void CorrectlyDequeueWithTwoNodesTest()
{
StacksQueue sq = new StacksQueue(n1);
sq.Enqueue(n2);
sq.Dequeue();
Assert.Equal(n2.Value, sq.Dequeue().Value);
}
public void CorrectlyDequeueFourNodesTest()
{
StacksQueue sq = new StacksQueue(n1);
sq.Enqueue(n2);
sq.Enqueue(n3);
sq.Enqueue(n4);
sq.Dequeue();
sq.Dequeue();
sq.Dequeue();
Assert.Equal(n4.Value, sq.Dequeue().Value);
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Node n1 = new Node(1);
Node n2 = new Node(2);
Node n3 = new Node(3);
Node n4 = new Node(4);
StacksQueue sq = new StacksQueue(n1);
sq.Enqueue(n2);
sq.Enqueue(n3);
sq.Enqueue(n4);
Console.WriteLine($"{sq.Dequeue().Value}");
Console.WriteLine($"{sq.Dequeue().Value}");
Console.WriteLine($"{sq.Dequeue().Value}");
Console.WriteLine($"{sq.Dequeue().Value}");
}
public void QueueTwoStacks_Solutions()
{
StacksQueue <int> queue = new StacksQueue <int>();
queue.Enqueue(1);
Assert.AreEqual(1, queue.Peek());
Assert.AreEqual(1, queue.Dequeue());
queue.Enqueue(2);
Assert.AreEqual(2, queue.Peek());
queue.Enqueue(3);
Assert.AreEqual(2, queue.Peek());
Assert.AreEqual(2, queue.Dequeue());
Assert.AreEqual(3, queue.Dequeue());
try
{
queue.Peek();
Assert.Fail("Should throw InvalidOperationException");
}
catch (InvalidOperationException e)
{
Assert.AreEqual("Empty queue", e.Message);
}
try
{
queue.Dequeue();
Assert.Fail("Should throw InvalidOperationException");
}
catch (InvalidOperationException e)
{
Assert.AreEqual("Empty queue", e.Message);
}
}
public void CorrectlyDequeueNodeQueueWasInitializedWithTest()
{
StacksQueue sq = new StacksQueue(n1);
Assert.Equal(n1.Value, sq.Dequeue().Value);
}
