smaccona
searching PlanetScale…
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Take the trivial example where A is [1, 3, 2, 4]. We can pivot around 2 to get A' = [1, 2, 3, 4], but we can also pivot around 3 to get A' = [1, 2, 3, 4]. So given A', both 2 and 3 are valid pivots. Edit: in fact, 1 and 4 may - 63.▲
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