The llamas took pride in the centuries old use as pack animals in the South American Andes. Using only their network of nodes, Fruit, Barn, Grass, Oak, Shade, Hay and Pond, they figured they could easily outhaul the horse
Use the capacities indicated on each of the branches to determine the maximal flow from the Barn down to the pond.
Answer: The maximum flow is 20 using these paths:
Barn - Oak - Pond = 8
Barn - Oak - Hay - Pond = 2
Barn - Shade - Oak - Fruit - Pond = 5
Barn - Fruit Oak - Shade - Hay - Pond = 5
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