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Solve recursion

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This commit is contained in:
Kenneth Kostresevic 2021-12-16 15:56:29 +01:00
parent a9c22921a5
commit cdd46053a9
1 changed files with 11 additions and 5 deletions
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16
src/koans/14_recursion.clj
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@ -3,21 +3,27 @@
(defn is-even? [n]
(if (= n 0)
__
(___ (is-even? (dec n)))))
true
(not (is-even? (dec n)))))
(defn is-even-bigint? [n]
(loop [n n
acc true]
(if (= n 0)
__
acc
(recur (dec n) (not acc)))))
(defn recursive-reverse [coll]
__)
(loop [coll coll acc '()]
(if (= coll [])
acc
(recur (rest coll) (conj acc (first coll))))))
(defn factorial [n]
__)
(loop [n n acc n]
(if (= n 1)
acc
(recur (dec n) (* acc (dec n))))))
(meditations
"Recursion ends with a base case"