函数的应用

10个评委打分，去掉两个最高分和两个最低分，求平均分

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

namespace ConsoleApplication1
{
    class Class1
    {
        static void Main(string[] args)
        {
            int[] a = new int[10];
            //亮分
            ShuRu(a);

            //排序
            PaiXu(a);

            //运算求平均
            double avg = YunSuan(a);

            //输出显示
            ShuChu(a, avg);
        }

        private static void ShuChu(int[] a, double avg)
        {
            Console.WriteLine("去掉两个最高分：" + a[0] + "和" + a[1]);
            Console.WriteLine("去掉两个最低分：" + a[a.Length - 1] + "和" + a[a.Length - 2]);
            Console.WriteLine("该选手最终得分为：" + avg);
        }

        private static double YunSuan(int[] a)
        {
            //求总分
            int sum = 0;
            for (int i = 2; i <= a.Length - 3; i++)
            {
                sum += a[i];
            }
            //求平均
            double avg = (1.0 * sum) / (a.Length - 4);
            return avg;
        }

        private static void PaiXu(int[] a)
        {
            for (int i = 1; i <= a.Length - 1; i++)
            {
                for (int j = 1; j <= a.Length - i; j++)
                {
                    if (a[j] > a[j - 1])
                    {
                        int temp = a[j];
                        a[j] = a[j - 1];
                        a[j - 1] = temp;
                    }
                }
            }
        }

        private static void ShuRu(int[] a)
        {
            for (int i = 0; i < a.Length; i++)
            {
                Console.Write("请第" + (i + 1) + "号评委亮分：");
                a[i] = Convert.ToInt32(Console.ReadLine());
            }
        }
    }
}

 

天气预报

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

namespace ConsoleApplication1
{
    class Program
    {
        static void M1ain(string[] args)
        {
            ShowHeader();

            string city = ShuRu();

            string jieguo = YunSuan(city);

            Console.WriteLine("天气预报仅做参考：" + jieguo);

        }

        private static string YunSuan(string city)
        {
            //天气
            string[] s = new string[] { "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "晴", "阴", "多云", "小雨", "中雨", "大雨", "暴雨", "雷阵雨", "小雪", "中雪", "大雪", "霾", "雾" };
            Random rand = new Random();
            int n = rand.Next(s.Length); //天气的下标.
            string tq = s[n];

            //气温
            int c = rand.Next(70);
            c -= 30;

            string jieguo = "明天的天气情况：" + city + "，天气：" + tq + "，气温：" + c;
            return jieguo;
        }

        private static string ShuRu()
        {
            Console.Write("城市：");
            string city = Console.ReadLine();
            return city;
        }

        private static void ShowHeader()
        {
            Console.WriteLine("*************天气预报****************");
            Console.WriteLine("********淄博气象台权威发布****************");
            Console.WriteLine("********如果出现异常 ，纯属偶然****************");
            Console.WriteLine("*****仅做个人测试与爱好使用，不要用作商业运营**********");
        }
        
    }
}