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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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9
Task/Perfect-numbers/Clojure/perfect-numbers-1.clj Normal file
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(defn proper-divisors [n]
(if (< n 4)
[1]
(->> (range 2 (inc (quot n 2)))
(filter #(zero? (rem n %)))
(cons 1))))
(defn perfect? [n]
(= (reduce + (proper-divisors n)) n))

4
Task/Perfect-numbers/Clojure/perfect-numbers-2.clj Normal file
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(defn perfect? [n]
(->> (for [i (range 1 n)] :when (zero? (rem n i))] i)
(reduce +)
(= n)))

2
Task/Perfect-numbers/Clojure/perfect-numbers-3.clj Normal file
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(defn perfect? [n]
(= (reduce + (filter #(zero? (rem n %)) (range 1 n))) n))