Can you explain when to use greedy algorithms instead of dynamic programming?
Greedy algorithms are best used when a local optimum leads to a global optimum, while dynamic programming is for overlapping subproblems.
Can you give me an example of a problem suited for greedy algorithms?
Sure! The coin change problem is a classic example where a greedy approach works if the coin denominations are optimal.
What about dynamic programming? Can you provide an example?
Absolutely! The Fibonacci sequence calculation is a great example, as it has overlapping subproblems that benefit from memoization.
How do I decide which approach to use for a new problem?
Start by analyzing the problem's structure. If it has optimal substructure and overlapping subproblems, consider dynamic programming.
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