Why is the brute-force approach less ideal here?

Question

Why is the brute-force approach less ideal here?

Option A — Correct answer

Checking every prefix length repeats comparisons.

Option B

It always uses no memory

Option C

It avoids all state changes

Option D

It only works for binary search

Explanation

Checking every prefix length repeats comparisons.

Longest Common Prefix - Single Branch Trie Pattern Practice Quiz