数组排序求平均

static void Main(string[] args)

{

while (true)

{

int[] al = new int[7];

for (int i = 0; i < al.Length; i++)

{

Console.Write("请输入" + (i + 1) + "位同学的分数");

al[i] = Convert.ToInt32(Console.ReadLine());

}

for (int j = 0; j < al.Length; j++)

{

Console.WriteLine("请输入" + (j + 1) + "位同学的分数" + al[j] + "分");

}

for (int i = 1; i <= al.Length - 1; i++)

{

for (int j = 1; j <= al.Length - i; j++)

{

if (al[j] > al[j - 1])

{

int t = al[j];

al[j] = al[j - 1];

al[j - 1] = t;

}

}

}

for (int k = 0; k < al.Length; k++)

{

Console.WriteLine(al[k]);

}

int x = 0;

for (int s = 0; s < al.Length; s++)

{

x = x + al[s];

}

Console.WriteLine("总分为" + x);

double n = (1.0 * x - al[0] - al[1] - al[al.Length - 1] - al[al.Length - 2]) / (al.Length - 4);

Console.WriteLine("平均分为:" + n);

Console.ReadLine();

}

}