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new_y3k.c
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new_y3k.c
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#include<stdio.h>
//#define DAYS 280
int number_of_days(int);
int leap_year(int);
int sign(int ,int);
int dd,mm,yy;
int main()
{
double temp=0.03287671232;
int i,j;
long unsigned int total_day,remaning_day;
int t;
int flag =0;
int new_mm,old_yy;
long int DAYS,t_DAYS;
long unsigned int total_month;
while(1)
{
//scanf("%s",input);
scanf("%ld%d%d%d",&DAYS,&dd,&mm,&yy);
if( DAYS ==0 && dd==0 && mm==0 && yy==0)
break;
// printf("dd = %d\n",dd);
t_DAYS = DAYS;
total_month = temp * DAYS;
// printf("total_month = %ld\n", total_month);
total_day = 0;
new_mm =0;flag=0;old_yy=yy;
j=0;
total_day = total_day + (number_of_days(mm) - dd);
// printf("total_day = %ld \n",total_day);
if((int) (DAYS - total_day)>0)
{
DAYS = DAYS - total_day;
// printf(" DAYS = %ld \n",DAYS);
new_mm = mm+1;
}
else
{
DAYS = DAYS - DAYS;
}
while(DAYS>27)
{
if(new_mm>12)
{
new_mm =1;
yy = yy+1;
}
total_day = total_day + number_of_days(new_mm);
// printf("total_day = %ld \n",total_day);
if((int)( DAYS - number_of_days(new_mm))>0)
{
DAYS = DAYS - number_of_days(new_mm);
new_mm = new_mm + 1;
}
else
break;
}
/*
for(i=mm+1;i<=mm+total_month-1;i++)
{
if(j>12)
j=0;
total_day = total_day + number_of_days(i);
}
total_day = total_day + (number_of_days(mm) - dd);
remaning_day = total_month - total_day; */
remaning_day = DAYS ;
// printf("total_day = %ld \n",total_day);
// printf("remaning_day = %ld \n",remaning_day);
//new_mm = mm + total_month;
#if 0
if(remaning_day > 27)
{
if( remaning_day ==28 || remaning_day ==29 || remaning_day ==30 || remaning_day ==31 )
{
}
else if(31 == number_of_days(new_mm))
{
remaning_day = remaning_day -31;
new_mm = new_mm +1;
}
else if(30 == number_of_days(new_mm))
{ remaning_day = remaning_day -30;
new_mm = new_mm +1;
}
else if(28 == number_of_days(new_mm))
{
remaning_day = remaning_day -28;
new_mm = new_mm +1;
}
else if(29 == number_of_days(new_mm))
{
remaning_day = remaning_day -29;
new_mm = new_mm +1;
}
}
#endif
/* printf("remaning_day = %d \n",remaning_day);
// printf("date = %2.2d/%2.2d/%4.4d\n",mm,dd,yy);
// printf("final date = %2.2d/%2.2d/%4.4d\n",new_mm,remaning_day,yy);
*/
if(remaning_day == 0)
remaning_day = dd + t_DAYS;
if(new_mm > 12 )
yy = yy+1;
new_mm = new_mm % 12;
if(new_mm==0)
new_mm = 12;
printf("%2.2ld/%2.2d/%4.4d\n",remaning_day,new_mm,yy);
}
return(0);
}
int leap_year(int yy)
{
if((yy%100==0 && yy %400==0)||(yy%4==0 && yy%100!=0))
return(1);
return(0);
}
int number_of_days(int mm)
{
switch(mm%12)
{
case 1:
return(31);
case 2:
if(leap_year(yy))
return(29);
else
return(28);
case 3:
return(31);
case 4:
return(30);
case 5:
return(31);
case 6:
return(30);
case 7:
return(31);
case 8:
return(31);
case 9:
return(30);
case 10:
return(31);
case 11:
return(30);
case 0:
return(31);
}
}