How do greedy algorithms compare to dynamic programming?
Greedy algorithms make the locally optimal choice at each step, while dynamic programming considers all possible solutions.
Can you give an example of a problem where a greedy algorithm works better?
Sure! The coin change problem is a classic example where a greedy algorithm can efficiently find the minimum number of coins.
What are the limitations of greedy algorithms?
Greedy algorithms can fail to find the optimal solution in some cases, especially in problems like the traveling salesman.
Are there specific scenarios where dynamic programming is preferred over greedy algorithms?
Yes, dynamic programming is preferred in problems with overlapping subproblems and optimal substructure, like the knapsack problem.
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