Pascal's triangle: Difference between revisions
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(→{{header|Ruby}}: added a two line ruby version) |
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end</lang> |
end</lang> |
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Or for more or less a translation of the two line Haskell version: |
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<lang ruby>def next_row row ; ([0] + row).zip(row + [0]).collect {|l,r| l + r }; end |
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def pascal n ; Array.new([1] * n).inject([1]) {|x,y| y = next_row x } ; end</lang> |
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=={{header|Scala}}== |
=={{header|Scala}}== |
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Simple recursive row definition: |
Simple recursive row definition: |
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