1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
| # include <stdio.h>
# include <stdlib.h>
int main ( )
{
int dd,mm,yy,sum;
printf("input year:");
scanf("%d",&yy);
printf("input month:");
scanf("%d",&mm);
printf("input day:");
scanf("%d",&dd);
switch (mm)
{
case 1:sum=dd; break;
case 2:sum=31+dd; break;
case 3:sum=31+29+dd; break;
case 4:sum=31+29+31+dd; break;
case 5:sum=31+29+31+30+dd; break;
case 6:sum=31+29+31+30+31+dd; break;
case 7:sum=31+29+31+30+31+30+dd; break;
case 8:sum=31+29+31+30+31+30+31+dd; break;
case 9:sum=31+29+31+30+31+30+31+31+dd; break;
case 10:sum=31+29+31+30+31+30+31+31+30+dd; break;
case 11:sum=31+29+31+30+31+30+31+31+30+31+dd; break;
case 12:sum=31+29+31+30+31+30+31+31+30+31+30+dd; break;
default:break;
}
if (yy<0 || mm<1 || mm>12 || dd<1 || dd>31)
{
printf("error! \n");
}
else
{
if (yy%400 == 0 || (yy%4 == 0 && yy%100 != 0))
{
printf("sumdays:%d \n",sum);
}
else
{
sum = sum - 1;
printf("sumdays:%d \n",sum);
}
}
return 0;
}
|
