solution: Project Euler Problem 19

[MatheusMuriel]

 know more

Describe your change:

• Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized.
• I know that pull requests will not be merged if they fail the automated tests.
• This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• All new JavaScript files are placed inside an existing directory.
• All filenames should use the UpperCamelCase (PascalCase) style. There should be no spaces in filenames.
  Example:UserProfile.js is allowed but userprofile.js,Userprofile.js,user-Profile.js,userProfile.js are not
• All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
• If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[appgurueu]

Looks good, but please add some comments.

[MatheusMuriel]

Added the comments and refactored to make more legible

[appgurueu]

Turning the terse leap year condition into an if-else construction that takes about twenty times as much vertical space (!) is pretty bad. If anything, the current construction should be made to use a ternary rather than relying on coercion from bool to 0 or 1.

The rename of n to numberOfSundays does indeed improve readability though.

[MatheusMuriel]

Changed to a ternary if

[MatheusMuriel]

offtopic: @appgurueu i saw that you like Lua, a professor at my university studied in the department that developed the Lua language at PUC-Rio 😄

[appgurueu]

offtopic: @appgurueu i saw that you like Lua, a professor at my university studied in the department that developed the Lua language at PUC-Rio smile

Oh that's nice!

[stale]

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