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Leap Day

An extra day is added to the calendar almost every four years as February 29, and the day is called a leap day. It corrects the calendar for the fact that our planet takes approximately 365.25 days to orbit the sun. A leap year contains a leap day.

In the Gregorian calendar, three conditions are used to identify leap years:

  • The year can be evenly divided by 4, is a leap year, unless:
    • The year can be evenly divided by 100, it is NOT a leap year, unless:
      • The year is also evenly divisible by 400. Then it is a leap year.

This means that in the Gregorian calendar, the years 2000 and 2400 are leap years, while 1800, 1900, 2100, 2200, 2300 and 2500 are NOT leap years.

  • Instance format:

    • The first line contains a single integer, the year.

  • Input:

        1990
  • Output:
        False

  • Explanation:

    • 1990 is not a multiple of 4 hence it's not a leap year.

  • Solution

Running

  • Running an instance:
    python main.py "path_instance"
  • Example: running an instance "input1":
    python main.py instances/input1

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