What is a greedy algorithm?
A greedy algorithm is a problem-solving approach that makes the locally optimal choice at each stage.
Can you give me an example of a greedy algorithm?
Sure! A classic example is the coin change problem, where you want to make change for a certain amount using the fewest coins.
How does the greedy algorithm work in the coin change problem?
In the coin change problem, the greedy algorithm selects the largest denomination coin first, then continues with the next largest until the amount is reached.
Are there any limitations to using greedy algorithms?
Yes, greedy algorithms don't always provide the optimal solution for all problems, especially in cases where local choices lead to a suboptimal global solution.
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