Initial data commit

2023-07-01 11:58:00 -04:00 · 2023-07-01 11:58:00 -04:00 · f23f22d71c
commit f23f22d71c
parent 72d218235f
199087 changed files with 3378941 additions and 0 deletions
--- a/Task/N-queens-problem/Clojure/n-queens-problem-3.clj
+++ b/Task/N-queens-problem/Clojure/n-queens-problem-3.clj
@ -0,0 +1,9 @@
+  (defn n-queens [n]
+    (let[children #(map (partial conj %) (range n))
+         no-conflict? (fn [x] (or (empty? x)
+                                  (every? #(apply distinct? (map-indexed % x))
+                                          [+ - (fn[_ v] v)])))]
+      (filter (every-pred no-conflict? #(= n (count %)))
+              (tree-seq (every-pred #(> n (count %))
+                                    no-conflict?)
+                        children []))))