Big Theta

Definition

Big Theta (Θ) defines the tight bound of an algorithm. It means the algorithm runs in both O(f(N)) and Omega(f(N)). It describes the exact average-case growth rate.

Explain Like I'm New

Big O is the 'worst case'. Big Theta is the 'exact average case'.

Interactive Coding Challenges

Write a function to implement the core logic of Big Theta.

Solution Code

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This is the most straightforward brute-force or fundamental approach.