Babbage problem: Difference between revisions
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<pre>25264</pre> |
<pre>25264</pre> |
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=={{header|D}}== |
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<lang D>// It's basically the same as any other version. |
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// What can be observed is that 269696 is even, so we have to consider only even numbers, |
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// because only the square of even numbers is even. |
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import std.math; |
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import std.stdio; |
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void main( ) |
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{ |
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// get smalles number <= sqrt(269696) |
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int k = cast(int)(sqrt(269696.0)); |
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// if root is odd -> make it even |
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if (k % 2 == 1) |
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k = k - 1; |
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// cycle through numbers |
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while ((k * k) % 1000000 != 269696) |
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k = k + 2; |
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// display output |
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writefln("%d * %d = %d", k, k, k*k); |
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}</lang> |
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<pre>25264 * 25264 = 638269696 |
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</pre> |
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=={{header|Elixir}}== |
=={{header|Elixir}}== |