Question: Which one is true for the Greedy Algorithm for 0 / 1 Knapsack Problem? a . Finds the global optimum for any input instance. b

Which one is true for the Greedy Algorithm for 0/1 Knapsack Problem?
a.
Finds the global optimum for any input instance.
b.
The volume-to-value is the greedy selection ratio.
c.
Generates a local optimum in polynomial time.
d.
It runs in exponential time when it finds the global optimum.

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