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Problemintro

N-queens problem

Also called Eight queens puzzle, eight queens, eight queens puzzle.

Place n queens on an n-by-n board so that no two attack each other; a classic backtracking example.

Place n queens on an n-by-n board so that no two attack each other; a classic backtracking example.

About this page

The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.

LadderLevelWhat the next level needs
Human proofH0 no proof
  • add a proof in proofs/ (06.5)
LeanL0 no Lean part
  • name a Lean module in the lean field (07)
VisualV0 none
  • add viz/scene.ts or a figure (10)
WritingW0 stub
  • Definition
  • one source with a locator