Solution: The Coin Change Problem

Explore various approaches to solving the coin change problem in detail.

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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