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Roblox
Coding Question
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Quick Summary
Verify if a playlist sequence adheres to a shuffle rule where songs play exactly once per cycle.
Detect invalid duplicates that appear before the entire unique song library is exhausted.
Identify cycle completions to reset the tracking state for the subsequent permutation.
What This Tests
Efficient state tracking using Hash Sets.
Simulating rule-based processes with conditional resets.
Identifying periodic patterns and boundaries in sequences.
Logical validation of constrained input streams.
Common Patterns
Hashing
Simulation
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Input
allSongs =
playlist =
Output
Expected
