Permuted Binary Strings
Find a hidden permutation `a` of `1..n` by sending bit strings `b` and receiving `b` permuted by `a`, in at most 10 questions.
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Interactive: it answers queries rather than reading one input, so there is no binary to judge.
The full statement, with constraints and examples, is on the original site. The specification is at TalosEval/Problems/CSES/PermutedBinaryStrings/Spec.lean.
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