Why is the brute-force approach less ideal here?

Practice this question from Next Permutation - Pivot and Suffix Reversal Pattern Practice Quiz, with options and an explanation.

Question

Why is the brute-force approach less ideal here?

Option A — Correct answer

Generating all permutations is factorial time.

Option B

It is always O(1)

Option C

It avoids all comparisons

Option D

It only works for binary trees

Explanation

Generating all permutations is factorial time.

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