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Fractional knapsack problem is solved most efficiently by which of the following algorithm?

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Fractional knapsack problem is solved most efficiently by which of the following algorithm?

(a) Divide and conquer

(b) Dynamic programming

(c) Greedy algorithm

(d) Backtracking

I have been asked this question in semester exam.

My doubt is from Greedy Algorithms topic in division Greedy Algorithms of Data Structures & Algorithms II

1 Answer

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The correct answer is (c) Greedy algorithm

Easy explanation - Greedy algorithm is used to solve this problem. We first sort items according to their value/weight ratio and then add item with highest ratio until we cannot add the next item as a whole. At the end, we add the next item as much as we can.

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