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Leap

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Introduction

A leap year (in the Gregorian calendar) occurs:

  • In every year that is evenly divisible by 4.
  • Unless the year is evenly divisible by 100, in which case it's only a leap year if the year is also evenly divisible by 400.

Some examples:

  • 1997 was not a leap year as it's not divisible by 4.
  • 1900 was not a leap year as it's not divisible by 400.
  • 2000 was a leap year!
Note

For a delightful, four-minute explanation of the whole phenomenon of leap years, check out this YouTube video.

Instructions

Your task is to determine whether a given year is a leap year.

The DateTime class in C# provides a built-in IsLeapYear which you should pretend doesn't exist for the purposes of implementing this exercise.

Source

CodeRanch Cattle Drive, Assignment 3The link opens in a new window or tab
Edit via GitHub The link opens in a new window or tab
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Deep Dive into Leap!

Deep dive into the different algorithms and approaches you can use to solve Leap, as Jeremy and Erik explore interesting Community Solutions across 10 different languages on Exercism.