Algorithm Search⌘K

Theoremintro

Sorted search lower bound

Also called search lower bound in sorted array, binary search optimality.

Searching a sorted array of n items by comparisons needs ceil(log2(n+1)) probes; binary search is optimal.

Searching a sorted array of n items by comparisons needs ceil(log2(n+1)) probes; binary search is optimal.

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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)
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  • add viz/scene.ts or a figure (10)
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  • Statement
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