leaptest.c

//Check leap year
#include<stdio.h>
main()
{
	int year;
	printf("Enter a year: ");
	scanf("%d",&year);

	if(year%4==0)
	{
		if(year%100==0)//cennetial year
		{
			if(year%400==0)
			{
				printf("%d is a leap year\n",year);
			}
			else
			{
				printf("%d is not a leap year\n",year);
			}
		}
		else
		{
			printf("%d is a leap year\n",year);
		}
		
	}	
	else
	{
		printf("%d is not a leap year\n",year);
	}
}