Why is the brute-force approach less ideal here?

Question

Why is the brute-force approach less ideal here?

Option A — Correct answer

Repeated multiplication costs O(exp) and can overflow.

Option B

It always has better space complexity

Option C

It skips reading some inputs

Option D

It only works on strings

Explanation

Repeated multiplication costs O(exp) and can overflow.

Binary Exponentiation - Fast Power Pattern Practice Quiz