Which edge case matters for this problem?

Practice this question from Sort Colors - Dutch National Flag Pattern Practice Quiz, with options and an explanation.

Question

Which edge case matters for this problem?

Option A — Correct answer

Do not increment mid after swapping with high.

Option B

Whether the graph has a cycle

Option C

Whether the string has vowels

Option D

Whether a linked list has a dummy node

Explanation

Do not increment mid after swapping with high.

Sort Colors - Dutch National Flag Pattern Practice Quiz

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