Solution: The Coin Change Problem

This review provides a detailed analysis of the different ways to solve the coin change problem.

We'll cover the following

Solution 1: brute force
- Explanation
- Time complexity
Solution 2: top-down dynamic programming with memoization
- Explanation
- Time complexity
Solution 3: bottom-up dynamic programming with tabularization
- Explanation
- Time complexity
Solution 4: optimized tabularization version
- Explanation
- Time complexity

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