Water collected between towers: Difference between revisions
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(added Factor) |
(→{{header|Factor}}: Wasn't aware of cumulative max word from math.statistics vocab; use that instead of rolling my own.) |
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=={{header|Factor}}== |
=={{header|Factor}}== |
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<lang factor>USING: formatting kernel math math.order |
<lang factor>USING: formatting kernel math math.order math.statistics |
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sequences ; |
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IN: rosetta-code.water-towers |
IN: rosetta-code.water-towers |
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{ 6 7 10 7 6 } |
{ 6 7 10 7 6 } |
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} |
} |
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: max-sweep ( seq -- seq' ) 0 [ max ] accumulate* ; |
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: area ( seq -- n ) |
: area ( seq -- n ) |
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dup [ cum-max ] [ <reversed> cum-max reverse ] bi |
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[ min ] 2map swap [ - ] 2map sum ; |
[ min ] 2map swap [ - ] 2map sum ; |
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