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

namespace Assignment10
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("歡迎進入調分程式");
            Console.WriteLine("請輸入班級人數");

            int num = int.Parse(Console.ReadLine());
            Student[] allstudent = new Student[num];

            for (int i = 0; i < num; i++)
            {
                allstudent[i]=new Student();
                Console.WriteLine("請輸入"+(i+1)+"號姓名");
                allstudent[i].Name = Console.ReadLine();

                Console.WriteLine("請輸入{0}的國文成績",allstudent[i].Name);
                allstudent[i].Chinese=double.Parse(Console.ReadLine());

                Console.WriteLine("請輸入{0}的英文成績", allstudent[i].Name);
                allstudent[i].English=double.Parse(Console.ReadLine());

                Console.WriteLine("請輸入{0}的數學成績", allstudent[i].Name);
                allstudent[i].Math=double.Parse(Console.ReadLine());

                Console.WriteLine("請輸入{0}的自然成績", allstudent[i].Name);
                allstudent[i].Science=double.Parse(Console.ReadLine());

                Console.WriteLine("請輸入{0}的社會成績", allstudent[i].Name);
                allstudent[i].Society = double.Parse(Console.ReadLine());

                Console.WriteLine("輸出" + (i + 1) + "號{0}同學原始成績", allstudent[i].Name);
                Console.WriteLine("國文：{0}，英文：{1}，數學：{2}，自然：{3}，社會：{4}", allstudent[i].Chinese, allstudent[i].English, allstudent[i].Math, allstudent[i].Science, allstudent[i].Society);
                allstudent[i].Change();
            }

            Console.WriteLine("輸出調分後成績");
            Console.WriteLine("座號\t姓名\t國文\t英文\t數學\t自然\t社會");

            for (int i = 0; i < num; i++)
            {
                Console.WriteLine((i+1)+"\t{0}\t{1}\t{2}\t{3}\t{4}\t{5}",allstudent[i].Name, allstudent[i].Chinese, allstudent[i].English, allstudent[i].Math, allstudent[i].Science, allstudent[i].Society);
            }
        }
    }
}
..........................................................................................
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Assignment10
{
    class Student
    {
        private double chinese;
        private double english;
        private double math;
        private double science;
        private double society;
        private string name;

        public Student()
        {
            chinese=0;
            english=0;
            math=0;
            science=0;
            society=0;
            name="未命名";
        }

        public double Chinese
        {
            set { chinese = value; }
            get { return chinese; }
        }
        public double English
        {
            set { english = value; }
            get { return english; }
        }
        
        public double Math
        {
            set { math = value; }
            get { return math; }
        }
        
        public double Science
        {
            set { science = value; }
            get { return science; }
        }
        
        public double Society
        {
            set { society = value; }
            get { return society; }
        }
        
        public string Name
        {
            set { name = value; }
            get { return name; }
        }

        public void Change()
        {
            int counter = 0;
            Console.WriteLine("{0}平常出席率好嗎？輸入1：好 或 輸入0：不好",name);
            if (int.Parse(Console.ReadLine()) == 1)
                counter = counter + 1;

            Console.WriteLine("{0}平常交作業情形好嗎？輸入1：好 或 輸入0：不好",name);
            if (int.Parse(Console.ReadLine()) == 1)
                counter = counter + 1;

            Console.WriteLine("{0}同學有來考試嗎？輸入1：有 或 輸入0：沒有",name);
            if (int.Parse(Console.ReadLine()) == 1)
                counter = counter + 2;

            if (counter > 2)
            {
                math = System.Math.Round(10 * System.Math.Sqrt(math),2);
                chinese = System.Math.Round(10 * System.Math.Sqrt(chinese),2);
                english = System.Math.Round(10 * System.Math.Sqrt(english),2);
                if (society <= 60)
                    society = 60;
                if (science <= 60)
                    science = 60;
            }
        }
        ~Student() { }
    }
}