A-M baby

2013-04-10 21:29:02 -07:00 · 2013-04-10 21:29:02 -07:00 · db842d013d
commit db842d013d
parent 764da6cbbb
19005 changed files with 197040 additions and 7 deletions
--- a/Task/Longest-common-subsequence/Clojure/longest-common-subsequence.clj
+++ b/Task/Longest-common-subsequence/Clojure/longest-common-subsequence.clj
@ -0,0 +1,10 @@
+(defn longest [xs ys] (if (> (count xs) (count ys)) xs ys))
+
+
+(def lcs
+  (memoize
+   (fn [[x & xs] [y & ys]]
+     (cond
+      (or (= x nil) (= y nil) ) nil
+      (= x y) (cons x (lcs xs ys))
+      :else (longest (lcs xs  ys) (lcs xs ys))))))