Do you know any sort of puzzles that can work in the context of a short competition? In other words, puzzles that have these features:

  • The premise should be fairly simple to follow (but the solution might not be so simple).
  • The puzzle should be engaging and fun.
  • It should have not just one, but several correct answers. However, these answers could be rated under certain criteria, like the more optimal one, or more difficult under certain constraints.
  • The puzzle outcome could be linked to other puzzles.

1 Answer 1


Al Zimmermann's Programming Contests match this description. The name includes "programming" but does not require it:

You can enter whether you use a computer, manual calculations, or tea leaves to solve the problems. You send me solutions, not programs.

The current contest ends on July 18.


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