Python Interview Questions · interview question
Which practice avoids a common mistake with Union-Find / Disjoint Set?
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Answer and explanation
Correct answer
D. Do not skip path compression or union-by-rank-style heuristics when the problem depends on near-constant practical performance.
Why
Do not skip path compression or union-by-rank-style heuristics when the problem depends on near-constant practical performance. This is a common failure mode in real Python code and a frequent interview follow-up.
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