C++ Program to check if a year is a leap year.
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a,b;
cout<<"Enter a year: ";
cin>>a;
if(a%400==0)
cout<<"It's a leap year"<<endl;
else if(a%100==0)
cout<<"It's not a leap year"<<endl;
else if(a%4==0)
cout<<"It's a leap year"<<endl;
else
cout<<"It's not a leap year"<<endl;
getch();
}