14 lines
435 B
Racket
14 lines
435 B
Racket
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#lang racket
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(define squarenums (map (λ (x) (* x x)) (range 1 500)))
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(define squaresums
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(for/list ((i squarenums))
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(for/list ((j (cdr squarenums)))
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(list (+ i j) i j))))
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(apply * (map sqrt
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(first (filter
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(λ (x) (equal? 1000 (+ (sqrt (first x)) (sqrt (second x)) (sqrt (third x)))))
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(filter (λ (x) (member (first x) squarenums)) (apply append squaresums))))))
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