Kaprekar numbers: Difference between revisions
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(Improved D code) |
(Improved second D version) |
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<lang d>import std.stdio, std.algorithm, std.range; |
<lang d>import std.stdio, std.algorithm, std.range; |
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pure nothrow bool isKaprekar(in |
pure nothrow bool isKaprekar(in long n) |
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in { |
in { |
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assert(n > 0, "isKaprekar(n) is defined for n > 0."); |
assert(n > 0, "isKaprekar(n) is defined for n > 0."); |
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