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youz / 4clojure-golf Public

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4clojure-golf

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075_Euler's Totient Function.clj

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4 lines (4 loc) · 89 Bytes

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4clojure-golf

/

075_Euler's Totient Function.clj

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4 lines (4 loc) · 89 Bytes

1

2

3

4

(fn [n]

(+ 1 (count

(filter (fn [i] (= (str i '/ n) (str (/ i n))))

(range 2 n)))))

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