Console.Write("请输入人数：");            int n = int.Parse(Console.ReadLine());            int[] nianling = new int[n];            for (int i = 0; i < n; i++)            {                Console.Write("请输入第{0}个人的年龄：",i+1);                nianling[i] = int.Parse(Console.ReadLine());            }            //开始排序            for (int j = 0; j < n - 1; j++)            {                for (int i = j+1; i < n; i++)                {                    if (nianling[i] > nianling[j])                    {                        //等量代换                        int zhong = nianling[i];                        nianling[i] = nianling[j];                        nianling[j] = zhong;                    }                }            }            foreach (int i in nianling)            {                Console.WriteLine(i);            }                Console.ReadLine()