1 #include "date.h" 2 #include "utils.h"  3 #include 
     
       4 using std::cout; 5 using std::endl; 6 Date::Date() 7 { 8     year=1970; 9     month=1;10     day=1;11 }12 Date::Date(int y,int m,int d)13 {14     year=y;15     month=m;16     day=d;17 }18 int Date::getYear() const19 {20     return year;21 }22 int Date::getMonth() const23 {24     return month;25 }26 int Date::getDay() const27 {28     return day;29 }30 int Date::dayOfYear()31 {32     int a[12]={
   31,28,31,30,31,30,31,31,30,31,30,31};33     if( (year % 4 == 0  &&  year % 100 !=0) || (year % 400 == 0) )34     {35         a[1]=29;36     }37     int i,sum=0;38     for(i=0;i