Medium-Easy Understand Recursion & Backtracking Multiple Choice

What is the optimal time complexity for solving the 'Recursion & Backtracking' classic problem?

Understand — Tests comprehension and ability to explain concepts.

Answer Options

A O(1)

B O(log n)

C O(n)

D O(n log n)

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This question is from the Recursion & Backtracking topic (Algorithms).

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