using System;
using System.Collections ;
class ArraySort
{
	static void Main()
	{
		ArrayList myArrayList=new ArrayList ();
		Console.WriteLine ("你想排幾個數的序:");
		int iNumber=int.Parse (Console.ReadLine ());
		for(int i=1;i<=iNumber;i++)
		{
			Console.WriteLine ("請輸入第{0}個數:",i);
			int temp=int.Parse (Console.ReadLine ());
			myArrayList.Add (temp);
		}
		Console.WriteLine ("\n排序前的內容:");
		ArraySort myArraySort=new ArraySort ();
		myArraySort.WriteList (myArrayList);
		myArrayList.Sort ();
		Console.WriteLine ("\n逆序后的內容:");
		myArraySort.WriteList (myArrayList);
		myArrayList.Reverse ();
		Console.WriteLine ("\n正序后的內容:");
		myArraySort.WriteList (myArrayList);
	}
	void WriteList(ArrayList myArrayList)
	{
		Console.WriteLine ();
		int pSize=myArrayList.Count;
		for(int i=0;i<pSize;i++)
		{
			Console.Write (myArrayList[i]+"\t");
		}
		Console.WriteLine ();
	}
}