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Packed memory array

Also called PMA, cache-oblivious sorted array, dynamic array with gaps.

Sorted array with evenly spaced gaps that supports updates in O(log^2 N) amortized moves while staying scan-friendly.

Sorted array with evenly spaced gaps that supports updates in O(log^2 N) amortized moves while staying scan-friendly.

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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 abstract type
  • one source with a locator