What are the differences between greedy and dynamic programming approaches?
Greedy algorithms make the locally optimal choice at each stage, while dynamic programming solves problems by breaking them down into simpler subproblems and storing their solutions.
Can you give me an example of a problem suited for each approach?
Sure! The Knapsack problem is often solved using dynamic programming, while the Activity Selection problem is a classic example of a greedy approach.
Why would I choose one method over the other?
You'd choose greedy when a local optimum leads to a global optimum, and dynamic programming when the problem has overlapping subproblems and optimal substructure.
Are there any drawbacks to using greedy algorithms?
Yes, greedy algorithms can lead to suboptimal solutions in some cases, as they don't consider the overall problem structure.
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