9 lines
166 B
JavaScript
9 lines
166 B
JavaScript
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#!/usr/bin/node
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console.log(
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[...Array(999).keys()]
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.filter( x => (x+1) % 3 == 0 || (x+1) % 5 == 0)
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.reduce( (sum, x) => sum + x + 1)
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+ 1
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);
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