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2016 Update

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This commit is contained in:
Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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21
Task/Sorting-algorithms-Merge-sort/Clojure/sorting-algorithms-merge-sort.clj
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@ -1,14 +1,13 @@
(defn merge* [left right]
(defn merge [left right]
(cond (nil? left) right
(nil? right) left
true (let [[l & *left] left
[r & *right] right]
(if (<= l r) (cons l (merge* *left right))
(cons r (merge* left *right))))))
:else (let [[l & *left] left
[r & *right] right]
(if (<= l r) (cons l (merge *left right))
(cons r (merge left *right))))))
(defn merge-sort [L]
(let [[l & *L] L]
(if (nil? *L)
L
(let [[left right] (split-at (/ (count L) 2) L)]
(merge* (merge-sort left) (merge-sort right))))))
(defn merge-sort [list]
(if (< (count list) 2)
list
(let [[left right] (split-at (/ (count list) 2) list)]
(merge (merge-sort left) (merge-sort right)))))