4.18作业 青歌赛

 //青歌赛
            //int[] a = new int[20];
            //for (int i = 1; i <= 20;i ++ )
            //{
            //    Console.WriteLine("请给这位选手打分：");
            //   a [i-1 ] = Convert .ToInt32 ( Console.ReadLine());

            //}
            //int max = 0;int min = 1000;
            //for (int i = 1; i <= 20; i ++ )
            //{
            //    if (a[i - 1] > max)
            //    {
            //        max = a[i - 1];

            //    }
            //    if (a [i -1]<min )
            //    {
            //        min = a[i - 1];

            //    }

            //}
            //Console.WriteLine("去掉一个最高分{0},去掉一个最低分{1}", max, min);

            //double  sum = 0;
            //for (int i = 0; i < 20; i++)
            //{
            //    sum = sum + a[i];
            //}
            //Console.WriteLine("这位选手的最终成绩是"+(sum-min -max )/18 );
            //青歌赛