{
int i，day = 0；
如果((m & gt12 | | m & lt；1)| |((m = = 1 | | m = = 3 | | m = = 5 | | m = = 7 | | m = = 8 | | m = = 10 | | m = = 12)& amp；& amp(d & gt31 | | d & lt；1))| |((m = = 4 | | m = = 6 | | m = = 9 | | m = = 11)& amp；& amp(d & gt30 | | d & lt1))| |((d = = 2)& amp；& amp((y % 4 = = 0 | |(y % 100 = = 0 & amp；& ampy%400！= 0)& amp；& amp(d & gt29 | | d & lt1))||(!(y % 4 = = 0 | |(y % 100 = = 0 & amp；& ampy%400！= 0)& amp；& amp(d & gt28 | | d & lt1)))))
day =-1；
for(I = 0；我& ltm & amp& amp日& gt=0;i++)
{
if(m = = 1 | | m = = 3 | | m = = 5 | | m = = 7 | | m = = 8 | | m = = 10 | | m = = 12)
日+= 31；
if(m = = 4 | | m = = 6 | | m = = 9 | | m = = 11)
day+= 30；
如果(m==2)
day+= 28；
}
day+= d；
if(y % 4 = = 0 | |(y % 100 = = 0 & amp；& ampy%400！=0))
日+= 1；
返回日；
}