C++ Program to Check Leap Year2 min read

In this tutorial, we will write a leap year program in C++. You may go through the following topics first in order to understand the problem.

A leap year comes after every 4 years and has 366 days that year instead of 365 days. In the leap year, an additional day is added to the February month and it becomes 29 days instead of 28 days.

Now let us understand through mathematical logic,

  • If a year is divisible by 4 then it is leap year.
  • If a year is divisible by 400 and not divisible by 100 then it is also a leap year.
  • Example: 2000, 2004, 2008, etc are the leap years.

Question: write a c++ program to check whether a year is a leap year or not.

We will learn two ways to do the program:

  • Within main function
  • With user-defined function

C++ Program to Check Leap Year

The program takes user input for the year that needed to be checked and check with the condition using an if-else statement

Output:

//Run 1
Enter a year to check: 2014
2014 is not a leap year


//Run 2
Enter a year to check: 2024
2024 is a leap year


Check for leap year using a function in C++

We will create a separate function to check for the leap year. The year entered by the user is passed to the function as an argument.

Output:

Enter the Year: 1998
1998 is NOT a Leap Year


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