Taxicab numbers: Difference between revisions
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(→{{header|Haskell}}: pp^2 (more legible pretty-printing code)) |
m (→{{header|JavaScript}}: (normalised spacing in existing version)) |
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</pre> |
</pre> |
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=={{header|JavaScript}}== |
=={{header|JavaScript}}== |
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<lang JavaScript>var n3s=[], |
<lang JavaScript>var n3s = [], |
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s3s = {} |
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for (var n=1,e=1200; n<e; n+=1) n3s[n]=n*n*n |
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for (var |
for (var n = 1, e = 1200; n < e; n += 1) n3s[n] = n * n * n |
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for (var a = 1; a < e - 1; a += 1) { |
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var a3 = n3s[a] |
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for (var b=a; b<e; b+=1) { |
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for (var b = a; b < e; b += 1) { |
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var b3 = n3s[b] |
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var s3 = a3 + b3, |
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abs = s3s[s3] |
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⚫ | |||
if (!abs) s3s[s3] = abs = [] |
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} |
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⚫ | |||
} |
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} |
} |
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var i=0 |
var i = 0 |
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for (var s3 in s3s) { |
for (var s3 in s3s) { |
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var abs = s3s[s3] |
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if (abs.length < 2) continue |
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i += 1 |
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if (abs.length == 2 && i > 25 && i < 2000) continue |
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if (i > 2006) break |
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document.write(i, ': ', s3) |
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for (var ab of abs) { |
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document.write(' = ', ab[0], '<sup>3</sup>+', ab[1], '<sup>3</sup>') |
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} |
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document.write('<br>') |
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}</lang> |
}</lang> |
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{{out}} |
{{out}} |