using System;

using System.Text;

namespace Demo

{

    class Program

    {

        //返回一个数组的最大值，最小值，均值，长度,名称

        static void Main()

        {

            int max = ;

            int min = ;

            int ave = ;

            int len = ;

            string name = "";

            int[] arr = { , ,  };

            Test(arr, out max, out min, out ave, out len, out name);

            Console.WriteLine(max);

            Console.WriteLine(min);

            Console.WriteLine(ave);

            Console.WriteLine(len);

            Console.WriteLine(name);

            Console.ReadLine();

        }

        public static void Test(int[] arr,out int max, out int min, out int ave, out int len, out string name)

        {

            //伪代码

            max = ;

            min = ;

            ave = ;

            len = ;

            name = "arr";

        }

    }

}

using System;

using System.Text;

namespace Demo

{

    class Program

    {

        static void Main()

        {

            int num = ;

            Test(ref num);

            Console.WriteLine(num);

            Console.ReadLine();

        }

        public static void Test(ref int num)

        {

            num += ;

        }

    }

}

using System;

using System.Text;

namespace Demo

{

    class Program

    {

        static void Main()

        {

            Console.WriteLine(Test("Linda", , , , ));

            Console.ReadLine();

        }

        public static int Test(string name,params int[] score)

        {

            return score[];

        }

    }

}