import java.util.*;

public class Test014

{

public static void main(String[] args) throws Exception

{

int y,m,d;

int sum=0;

int feb=28;

Scanner in = new Scanner(System.in);

System.out.print("請輸入年份:");

y = in.nextInt();

System.out.print("請輸入月份:");

m = in.nextInt();

System.out.print("請輸入幾號:");

d = in.nextInt();

if((y%4==0 && y%100!=0) || y%400==0)

{

feb = 29;

}

switch(m)

{

case 1:

sum = d;

break;

case 2:

sum = 31 + d;

break;

case 3:

sum = 31+feb+d;

break;

case 4:

sum = 31+feb+31+d;

break;

case 5:

sum = 31+feb+31+30+d;

break;

case 6:

sum = 31+feb+31+30+31+d;

break;

case 7:

sum = 31+feb+31+30+31+30+d;

break;

case 8:

sum = 31+feb+31+30+31+30+31+d;

break;

case 9:

sum = 31+feb+31+30+31+30+31+31+d;

break;

case 10:

sum = 31+feb+31+30+31+30+31+31+30+d;

break;

case 11:

sum = 31+feb+31+30+31+30+31+31+30+31+d;

break;

case 12:

sum = 31+feb+31+30+31+30+31+31+30+31+30+d;

}

System.out.println(y+" 年 "+m+" 月 " + d + "號是今年的第"+sum+"天");

}

}

總結

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