C# 四个同学3门课成绩，求各门课程的平均成绩

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

namespace ConsoleApp1
{ 
    class Program
    { 
        static void Main(string[] args)
        { 
            char[] name = new char[4];
            int[] first = new int[4];
            int[] second = new int[4];
            int[] third = new int[4];
           double s1 = 0, s2 = 0, s3 = 0;
            for (int i = 0; i < name.Length; i++)
            { 


                Console.WriteLine("请输入第{0}位学生的大学英语成绩：", i + 1);
                first[i] = Convert.ToInt32(Console.ReadLine());
                s1 += first[i];
            }
            for (int i = 0; i < name.Length; i++)
            { 
                Console.WriteLine("请输入第{0}位学生的C#程序设计成绩：", i+1);
                second[i] = Convert.ToInt32(Console.ReadLine());
                s2 += second[i];
            }
            for (int i = 0; i < name.Length; i++)
            { 
                Console.WriteLine("请输入第{0}位学生的网页设计成绩：", i+1);
                third[i] = Convert.ToInt32(Console.ReadLine());
                s3 += third[i];
            }





            Console.WriteLine("大学英语平均成绩为{0},C#程序设计平均成绩为{1}，网页设计平均成绩为{2}", s1 / 4, s2 / 4, s3 / 4);



            Console.ReadLine();//加上这句话运行之后页面能够暂停，否则闪现消失
        }
        }
    }

本文地址：https://blog.csdn.net/weixin_45800887/article/details/109001137