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Problem 3 . Max Flow ( 1 0 points ) One greedy approach to Max Flow would repeatedly find a path from the source s

Problem 3. Max Flow (10 points)
One greedy approach to Max Flow would repeatedly find a path from the source s to the sink t. If
the path exists, then find the minimum-capacity edge on that path, increase flow on all edges of the
path, and then remove those edges from consideration.
(a) Give an example of a directed graph, with capacities on each edge, for which that Greedy
choice would not find an optimal solution.
Solution:
(b) In your graph above, what solution would the Greedy approach give you? If there are multiple
solutions depending on which path you start with, please include all of the outcomes.
Solution:
(c) What would the optimal solution be for your example?
Solution:
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