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25 lines
449 B
Plaintext
25 lines
449 B
Plaintext
# Find the maximum path from the top (root)
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# of the triangle to the leaves of the triangle.
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(defn myfold [xs ys]
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(def xs1 (tuple-prepend xs 0))
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(def xs2 (tuple-append xs 0))
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(def m1 (map + xs1 ys))
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(def m2 (map + xs2 ys))
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(map max m1 m2))
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(defn maxpath [t]
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(extreme > (reduce myfold () t)))
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# Test it
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# Maximum path is 3 -> 10 -> 3 -> 9 for a total of 25
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(def triangle '[
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[3]
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[7 10]
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[4 3 7]
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[8 9 1 3]
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])
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(print (maxpath triangle))
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