using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace _40173007H_hw3
{
class Program
{
static void Main(string[] args)
{
string select;
int y, m, d, sel;
while (1 == 1)
{
Console.WriteLine("輸入1~6題號");
Console.WriteLine("輸入其他數字以結束程式");
select = Console.ReadLine();
sel = int.Parse(select);
switch (sel)
{
case (1):
//第一題 阿姆斯壯數
int a = 0;
int b = 0;
int c = 0;
double sum = 0;
Console.WriteLine("顯示100~999間的阿姆斯壯數");
for (int i = 100; i <= 999; i++)
{
a = i % 10;
b = i / 10 % 10;
c = i / 100 % 10;
sum = Math.Pow((double)a, 3) + Math.Pow((double)b, 3) + Math.Pow((double)c, 3);
if (sum == i)
Console.WriteLine("{0}", i);
}
Console.ReadKey();
Console.Clear();
break;
case (2):
//第二題 判斷閏年
Console.WriteLine("輸入年分");
y = int.Parse(Console.ReadLine());
if (y % 4 == 0 && y % 100 != 0)
Console.WriteLine("這年是閏年");
else if (y % 400 == 0)
Console.WriteLine("這年是閏年");
else
Console.WriteLine("這年不是閏年");
Console.ReadKey();
Console.Clear();
break;
case (3):
//第三題 判斷天數
Console.WriteLine("輸入年分");
y = int.Parse(Console.ReadLine());
Console.WriteLine("輸入月分");
m = int.Parse(Console.ReadLine());
if (m > 12)
Console.WriteLine("這不是月份!");
else if (m == 2)
if (y % 4 == 0)
Console.WriteLine("這個月有29天");
else
Console.WriteLine("這個月有28天");
else if (m % 2 == 1 || m == 8)
Console.WriteLine("這個月有31天");
else
Console.WriteLine("這個月有30天");
Console.ReadKey();
Console.Clear();
break;
case (4):
//第四題 判斷星期幾
Console.WriteLine("輸入年分");
y = int.Parse(Console.ReadLine());
Console.WriteLine("輸入月分");
m = int.Parse(Console.ReadLine());
Console.WriteLine("輸入日期");
d = int.Parse(Console.ReadLine());
int W;
if (m == 1)
{
y = y - 1;
m = 13;
}
else if (m == 2)
{
y = y - 1;
m = 14;
}
W = (d + 2 * m + 3 * (m + 1) / 5 + y + y / 4 - y / 100 + y / 400 + 1) % 7;
switch (W)
{
case (1):
Console.WriteLine("今天星期一");
break;
case (2):
Console.WriteLine("今天星期二");
break;
case (3):
Console.WriteLine("今天星期三");
break;
case (4):
Console.WriteLine("今天星期四");
break;
case (5):
Console.WriteLine("今天星期五");
break;
case (6):
Console.WriteLine("今天星期六");
break;
case (0):
Console.WriteLine("今天星期天");
break;
}
Console.ReadKey();
Console.Clear();
break;
case (5):
//第五題 判斷日期合法與否
Console.WriteLine("輸入年分");
y = int.Parse(Console.ReadLine());
Console.WriteLine("輸入月分");
m = int.Parse(Console.ReadLine());
Console.WriteLine("輸入日期");
d = int.Parse(Console.ReadLine());
if (d > 31)
Console.WriteLine("此日期不合法");
else if (d == 31 && m % 2 == 0)
{
if (m == 8 || m == 10 || m == 12)
Console.WriteLine("此日期合法");
else
Console.WriteLine("此日期不合法");
}
else if (d == 30 && m == 2)
Console.WriteLine("此日期不合法");
else if (d == 29)
{
if (y % 4 == 0)
{
if (y % 100 == 0 && y % 400 != 0)
Console.WriteLine("此日期不合法");
else
Console.WriteLine("此日期合法");
}
else
Console.WriteLine("此日期不合法");
}
else
Console.WriteLine("此日期合法");
Console.ReadKey();
Console.Clear();
break;
case (6):
//第六題 判斷日期相差天數
int totalDay1 = 0, totalDay2 = 0, diff = 0, leaps, tempsum;
for (int times = 1; times < 3; times++)
{
Console.WriteLine("輸入第{0}次年分", times);
y = int.Parse(Console.ReadLine());
Console.WriteLine("輸入第{0}次月分", times);
m = int.Parse(Console.ReadLine());
Console.WriteLine("輸入第{0}次日期", times);
d = int.Parse(Console.ReadLine());
leaps = y / 4 - y / 100 + y / 400;
switch (m)
{
case (1):
tempsum = (y * 365 + leaps) + d;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (2):
tempsum = (y * 365 + leaps) + 31 + d;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (3):
tempsum = (y * 365 + leaps) + 59 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (4):
tempsum = (y * 365 + leaps) + 90 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (5):
tempsum = (y * 365 + leaps) + 120 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (6):
tempsum = (y * 365 + leaps) + 151 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (7):
tempsum = (y * 365 + leaps) + 181 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (8):
tempsum = (y * 365 + leaps) + 212 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (9):
tempsum = (y * 365 + leaps) + 243 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (10):
tempsum = (y * 365 + leaps) + 273 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (11):
tempsum = (y * 365 + leaps) + 304 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
case (12):
tempsum = (y * 365 + leaps) + 334 + d;
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)
tempsum = tempsum + 1;
totalDay1 = totalDay2;
totalDay2 = tempsum;
break;
}
}
diff = totalDay1 - totalDay2;
if (diff < 0)
Console.WriteLine("此兩日相差{0}天", -(diff - 1));
else
Console.WriteLine("此兩日相差{0}天", diff - 1);
Console.ReadKey();
Console.Clear();
break;
default:
return;
}
}
}
}
}
2015年3月25日 星期三
[2015][Homework]Team05 - Hw01 (Revised)
訂閱：
張貼留言 (Atom)
1. select = Console.ReadLine();
回覆刪除sel = int.Parse(select);
應合併成 int.Parse(Console.ReadLine());
2.sel 不宜縮寫
變數宣告
回覆刪除3. case (1): ==> case 1:
4. tempsum ==> tempSum
5. y ==> year
6. m==> month
7. d ==> day