Number of Leap Years

Published by Werdna in
datesnumbersstrings

Given a range of years as a string, return the number of leap years there are within the range (inclusive).

Examples

numLeapYears("1980-1984") ➞ 2
// 1980 and 1984 are leapyears.

numLeapYears("2000-2020") ➞ 6

numLeapYears("1600-2000") ➞ 98

Notes

  • Remember that a hyphen separates the years.
  • Check the Resources tab for help on checking whether a year is a leap year.
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