Status: IN
The consecutive-array check requires both a uniqueness test (`len(set) == n`) and a range test (`max - min + 1 == n`); either alone has false positives (`[1,1,3]` passes range-only, `[1,2,4]` passes uniqueness-only).
Source: entries/2026/06/06/check-if-an-array-is-consecutive-solution.md