dayOfYear

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

namespace dayOfYear
{
    class Program
    {
        static void Main(string[] args)
        {
            int month = 12;
            int day = 15;
            int totalDay = 0;
            while (month - 1>0)
            {
                switch (month - 1)
                {

                    case 11:

                        totalDay = totalDay + 30;
                        break;

                    case 10:

                        totalDay = totalDay + 31;
                        break;
                    case 9:
                        totalDay = totalDay + 30;
                        break;
                    case 8:
                        totalDay = totalDay + 31;
                        break;
                    case 7:
                        totalDay = totalDay + 31;
                        break;
                    case 6:
                        totalDay = totalDay + 30;
                        break;
                    case 5:
                        totalDay = totalDay + 31;
                        break;
                    case 4:
                        totalDay = totalDay + 30;
                        break;
                    case 3:
                        totalDay = totalDay + 31;
                        break;
                    case 2:
                        totalDay = totalDay + 28;
                        break;

                    case 1:

                        totalDay = totalDay + 31;
                        break;

                    //default:

                        //break;

                }
                month -= 1;
            }

            totalDay = totalDay + day;

            Console.WriteLine("总天数{0}",totalDay);
        }
    }
}