View Code of Problem 81

#include <stdio.h>
int main()
{
    int year,mon,day;
	int i,sum=0;
	int a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
	scanf("%d %d %d",&year,&mon,&day);
	if((year%4==0 && year%100!=0) || (year%400==0))
	{
		if(mon>2)
			sum=sum+1;
	}
	for(i=0;i<mon;i++)
	{
		sum=sum+a[i];
	}
	printf("%d",sum+day);
	return 0;
}