By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to bottom is 23.
2 4* 6
8 5 9* 3
3 + 7 + 4 + 9 = 23
Find the maximum total from top to bottom of a given triangle.
This solution together with the solution of James' (or mine) exhibits a nice duality between the "top-down" and "bottom-up" approaches.
Nice! When you go from the bottom, solution automatically goes to a(1).
Thanks. I coded that solution up LONG before movmax became a thing...
Make a vector of prime numbers
Matrix Construction I
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