#编码
Console.WriteLine("请输入天数");
string strday = Console.ReadLine();
int day = Convert.ToInt32(strday);
int week = day / 7;
int days = day % 7;
Console.WriteLine("第{0}周,星期{1}",week,days);
Console.ReadKey();
Console.WriteLine("请输入天数");
string strday = Console.ReadLine();
int day = Convert.ToInt32(strday);
int week = day / 7;
int days = day % 7;
Console.WriteLine("第{0}周,星期{1}",week,days);
Console.ReadKey();