using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication4
{
class Program
{
static void Main(string[] args)
{
string year, month, day,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");
year = Console.ReadLine();
y = int.Parse(year);
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");
year = Console.ReadLine();
y = int.Parse(year);
Console.WriteLine("輸入月分");
month = Console.ReadLine();
m = int.Parse(month);
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");
year = Console.ReadLine();
y = int.Parse(year);
Console.WriteLine("輸入月分");
month = Console.ReadLine();
m = int.Parse(month);
Console.WriteLine("輸入日期");
day = Console.ReadLine();
d = int.Parse(day);
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");
year = Console.ReadLine();
y = int.Parse(year);
Console.WriteLine("輸入月分");
month = Console.ReadLine();
m = int.Parse(month);
Console.WriteLine("輸入日期");
day = Console.ReadLine();
d = int.Parse(day);
if (d > 31)
Console.WriteLine("此日期不合法");
else if (d == 31 && m % 2 == 0)
{
if (m == 8)
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);
year = Console.ReadLine();
y = int.Parse(year);
Console.WriteLine("輸入第{0}次月分", times);
month = Console.ReadLine();
m = int.Parse(month);
Console.WriteLine("輸入第{0}次日期", times);
day = Console.ReadLine();
d = int.Parse(day);
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18日 星期三
[2015][Homework]Team05 - Hw01
訂閱：
張貼留言 (Atom)
第三題判斷閏年的公式有誤!!!
回覆刪除第142行開始 的 m==8 應該還要包含m==10 ,m==12
然後一開始的宣告可以只接把year, month ,day宣告為 int ,如果先宣告string 然後再轉int 到y,m,d有點多一層。
感謝 剛剛才發現這個case裡漏掉了100年和400年的判斷式
刪除作者已經移除這則留言。
回覆刪除171行 變數宣告依據camel case
回覆刪除totalday->totalDay較佳
difference省略過多