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Patience sorting

Also called O(n log n) LIS, card-pile sorting, patience sorting LIS.

Deals elements onto piles by binary search and merges them; the pile count equals the longest increasing subsequence length.

Deals elements onto piles by binary search and merges them; the pile count equals the longest increasing subsequence length.

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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
  • the section The problem
  • pseudocode in The algorithm
  • complexity claims in the front matter
  • one source with a locator