View Code of Problem 81

#include<stdio.h>
int main()
{
	int day[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
	int i,y,m,d;
	scanf("%d%d%d",&y,&m,&d);
	for(i=0;i<m;i++)
		d+=day[i];
	if(((y%4==0&&y%100!=0)||y%400==0)&&m>=3)
		d++;
	printf("%d",d);
	return 0;
}