28 lines
676 B
JavaScript
28 lines
676 B
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 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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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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abs.push([a, b])
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}
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}
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var i = 0
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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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}
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