c# 作业2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication9
{
    class Program
    {
        static void Main(string[] args)
        {
            ConsoleKeyInfo c;
            do
            {
                Console.Write("请输入用逗号分隔的5个整数:");
                string number = Console.ReadLine();
                string[] split = number.Split(',');
                ];
                ];
                ; i < ; ++i)
                {
                    int.TryParse(split[i], out a[i]);
                    int.TryParse(split[i], out b[i]);
                }
                sort(a, );
                sort(b, );;
                ; i < a.Length; i++)
                {
                    sum += a[i];
                }
                double p = sum / (double)a.Length;
                Console.WriteLine("平均值:{0}", p);
                Console.WriteLine(]);
                Console.WriteLine("按回车键退出，其他键继续！");
                c = Console.ReadKey();

            } while (c.Key != ConsoleKey.Enter);

        }
        public static void sort(int[] a,int increase)
        {

             ; --i)
            {
                ;j< i-; j++)
                {
                    )
                    {
                        ])
                        {
                            int t = a[j];
                            a[j] = a[j + ];
                            a[j + ] = t;
                        }
                    }
                    )
                    {
                        ])
                        {
                            int t = a[j];
                            a[j] = a[j + ];
                            a[j + ] = t;
                        }
                    }
                }
            }
            ) Console.Write("正序:");
            else Console.Write("逆序:");
            ; i < a.Length; ++i)
            {
                Console.Write("{0}", a[i]);
                ) Console.Write(",");
                else Console.WriteLine("");
            }
        }
    }
}