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jneira/jneira-4clojure-solution73.clj

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Created May 4, 2011 05:53
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jneira-4clojure-solution73.clj
;; jneira's solution to http://4clojure.com/problem/73
(fn winner [board]
(let [trasp (apply map vector board)
diag #(map-indexed (fn [x y] (y x)) %)
all (concat board trasp
(map diag [board (reverse board)]))]
(some #(or (:x %) (:o %))
(filter #(= 1 (count %)) (map set all)))))
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