Sum multiples of 3 and 5: Difference between revisions
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<pre>233168</pre> |
<pre>233168</pre> |
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== {{header|AppleScript}} == |
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{{Trans|JavaScript}} |
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<lang AppleScript>on run |
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-- sums of all multiples of 3 or 5 below or equal to N |
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-- for N = 10 to N = 10E8 (limit of AS integers) |
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foldl(sum35Result, "", map(tenE, range(1, 8))) |
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end run |
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-- sum35 :: Int -> Int |
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on sum35(n) |
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sumMults(n, 3) + sumMults(n, 5) - sumMults(n, 15) |
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end sum35 |
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-- Area under straight line between first multiple and last: |
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-- sumMults :: Int -> Int -> Int |
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on sumMults(n, factor) |
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set n1 to (n - 1) div factor |
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factor * n1 * (n1 + 1) div 2 |
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end sumMults |
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-- TESTING |
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-- tenE :: Int -> Int |
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on tenE(e) |
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10 ^ e |
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end tenE |
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-- sum35Result :: String -> Int -> String |
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on sum35Result(a, x, i) |
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(a & (x as integer as string)) & "<sup>" & i & ¬ |
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"</sup> -> " & sum35(x) & "<br>" |
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end sum35Result |
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-- GENERIC FUNCTIONS |
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-- map :: (a -> b) -> [a] -> [b] |
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on map(f, xs) |
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set mf to mReturn(f) |
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set lng to length of xs |
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set lst to {} |
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repeat with i from 1 to lng |
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set end of lst to mf's lambda(item i of xs, i, xs) |
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end repeat |
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return lst |
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end map |
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-- foldl :: (a -> b -> a) -> a -> [b] -> a |
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on foldl(f, startValue, xs) |
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set mf to mReturn(f) |
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set v to startValue |
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set lng to length of xs |
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repeat with i from 1 to lng |
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set v to mf's lambda(v, item i of xs, i, xs) |
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end repeat |
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return v |
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end foldl |
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-- range :: Int -> Int -> [Int] |
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on range(m, n) |
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set d to 1 |
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if n < m then set d to -1 |
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set lst to {} |
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repeat with i from m to n by d |
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set end of lst to i |
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end repeat |
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return lst |
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end range |
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-- Lift 2nd class handler function into 1st class script wrapper |
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-- mReturn :: Handler -> Script |
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on mReturn(f) |
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if class of f is script then return f |
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script |
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property lambda : f |
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end script |
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end mReturn |
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-- mClosure :: Handler -> Record -> Script |
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on mClosure(f, recBindings) |
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script |
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property closure : recBindings |
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property lambda : f |
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end script |
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end mClosure |
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</lang> |
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{{Out}} |
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10<sup>1</sup> -> 23<br>100<sup>2</sup> -> 2318<br>1000<sup>3</sup> -> 233168<br>10000<sup>4</sup> -> 23331668<br>100000<sup>5</sup> -> 2.333316668E+9<br>1000000<sup>6</sup> -> 2.33333166668E+11<br>10000000<sup>7</sup> -> 2.333333166667E+13<br>100000000<sup>8</sup> -> 2.333333316667E+15<br> |
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=={{header|AutoHotkey}}== |
=={{header|AutoHotkey}}== |
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