Maximum triangle path sum: Difference between revisions

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do r=rows by -1 to 2; p=r-1 /*traipse through triangle rows. */
do k=1 for p; kn=k+1 /*re-calculate the previous row. */
#.p.k=max(#.r.k, #.r.kn) + #.p.k /*maybe replace the prevprevious #. */
end /*k*/
end /*r*/