Maximum difference between adjacent elements of list: Difference between revisions
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m (→{{header|Julia}}: List may contain all real number types.) |
(→OCaml: add) |
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=={{header|11l}}== |
=={{header|11l}}== |
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{{trans|Python}} |
{{trans|Python}} |
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<syntaxhighlight lang="11l">F maxDeltas(ns) |
<syntaxhighlight lang="11l">F maxDeltas(ns) |
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V pairs = zip(ns, ns[1..]).map((a, b) -> (abs(a - b), (a, b))) |
V pairs = zip(ns, ns[1..]).map((a, b) -> (abs(a - b), (a, b))) |
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idx : 12 values 2.0000000000000000E+000 9.0000000000000000E+000 |
idx : 12 values 2.0000000000000000E+000 9.0000000000000000E+000 |
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idx : 15 values 1.0000000000000000E+001 3.0000000000000000E+000 </pre> |
idx : 15 values 1.0000000000000000E+001 3.0000000000000000E+000 </pre> |
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=={{header|FreeBASIC}}== |
=={{header|FreeBASIC}}== |
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7 2 9 |
7 2 9 |
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7 10 3</pre> |
7 10 3</pre> |
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=={{header|jq}}== |
=={{header|jq}}== |
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<pre>The maximum difference between adjacent pairs of the list is: 7 |
<pre>The maximum difference between adjacent pairs of the list is: 7 |
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The pairs with this difference are: (1, 8) (2, 9) (10, 3)</pre> |
The pairs with this difference are: (1, 8) (2, 9) (10, 3)</pre> |
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=={{header|OCaml}}== |
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<syntaxhighlight lang="ocaml">let rec fold_pairwise f m = function |
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| a :: (b :: _ as t) -> fold_pairwise f (f m a b) t |
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| _ -> m |
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let pair_to_str (a, b) = |
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Printf.sprintf "(%g, %g)" a b |
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let max_diffs = |
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let next m a b = |
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match abs_float (b -. a), m with |
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| d', (d, _) when d' > d -> d', [a, b] |
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| d', (d, l) when d' = d -> d', (a, b) :: l |
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| _ -> m |
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in fold_pairwise next (0., []) |
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let () = |
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let d, l = max_diffs [1.;8.;2.;-3.;0.;1.;1.;-2.3;0.;5.5;8.;6.;2.;9.;11.;10.;3.] in |
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List.rev_map pair_to_str l |> String.concat " " |> Printf.printf "%g: %s\n" d</syntaxhighlight> |
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{{out}} |
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<pre>7: (1, 8) (2, 9) (10, 3)</pre> |
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=={{header|Pascal}}== |
=={{header|Pascal}}== |
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=={{header|Raku}}== |
=={{header|Raku}}== |
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<syntaxhighlight lang="raku" line>sub max-diff (*@list) { |
<syntaxhighlight lang="raku" line>sub max-diff (*@list) { |
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return 0 if +@list < 2; |
return 0 if +@list < 2; |
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