dodo66
2017-10-06 17:33
#include <stdio.h>
int main()
{
int year = 2008;
int month = 8;
int day = 8;
int i,sum;
int Jan = 31;
int Feb = 28;
int Mar = 31;
int Apr = 30;
int May = 31;
int Jun = 30;
int Jul = 31;
int Aug = 31;
int Sep = 30;
int Oct = 31;
int Nov = 30;
int Dec = 31;
if(year%100==0&&year%400==0||year%4==0&&year%100!=0)i=1;
else i=0;
switch(month)
{
case 1:sum = Jan break;
case 2:sum = Jan+Feb break;
case 3:sum = Jan+Feb+Mar break;
case 4:sum = Jan+Feb+Mar+Apr break;
case 5:sum = Jan+Feb+Mar+Apr+May break;
case 6:sum = Jan+Feb+Mar+Apr+May+Jun break;
case 7:sum = Jan+Feb+Mar+Apr+May+Jun+Jul break;
case 8:sum = Jan+Feb+Mar+Apr+May+Jun+Jul+Aug break;
case 9:sum = Jan+Feb+Mar+Apr+May+Jun+Jul+Aug+Sep break;
case 10:sum = Jan+Feb+Mar+Apr+May+Jun+Jul+Aug+Sep+Oct break;
case 11:sum = Jan+Feb+Mar+Apr+May+Jun+Jul+Aug+Sep+Oct+Nov break;
case 12:sum = Jan+Feb+Mar+Apr+May+Jun+Jul+Aug+Sep+Oct+Nov+Dec break;
}
if(i==1)sum+=1;
printf("%d年%d月%d日是该年的第%d天",year,month,day,sum);
return 0;
}
Jan的值应该赋为0,二月赋一月的天数,三月赋二月的天数,依次下去。比如一月3号,按照你的代码在计算时就会是第34天,实际上是第三天。不知道有没有讲清楚⊙﹏⊙
可以把switch(month)改成switch(month-1)
C语言入门
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