move 2021 days to folder; update README

2 files changed, 0 insertions, 90 deletions

diff --git a/day23/part1-done-by-hand b/day23/part1-done-by-hand
deleted file mode 100644
index e69de29..0000000
--- a/day23/part1-done-by-hand
+++ /dev/null
diff --git a/day23/part2.clj b/day23/part2.clj
deleted file mode 100644
index adbefc1..0000000
--- a/day23/part2.clj
+++ /dev/null
@@ -1,90 +0,0 @@
-(require '[clojure.core.reducers :as r])
-
-(def init-field
-  [nil
-   nil
-   (seq [:b :d :d :d])
-   nil
-   (seq [:b :c :b :a])
-   nil
-   (seq [:c :b :a :a])
-   nil
-   (seq [:d :a :c :c])
-   nil
-   nil])
-
-(defn do-slot [[field energy] idx]
-  (let [slot (get field idx)]
-    (cond
-      ; Moving value out of a room
-      (and (seq? slot)
-           (not (empty? slot))
-           (not (every? #(= % ({2 :a 4 :b 6 :c 8 :d} idx)) slot)))
-      (let [open-slots
-            (filterv
-              #(contains? #{0 1 3 5 7 9 10} %)
-              (concat
-                (for [i (reverse (range 0 idx))
-                      :while (or (nil? (get field i)) (seq? (get field i)))] i)
-                (for [i (range idx (count field))
-                      :while (or (nil? (get field i)) (seq? (get field i)))] i)))]
-        (when-not (empty? open-slots)
-          (map
-            (fn [os]
-              [(-> field
-                   (assoc os (first slot))
-                   (update idx rest))
-               (+ energy (* ({:a 1 :b 10 :c 100 :d 1000} (first slot))
-                            (+ (inc (- 4 (count slot))) (Math/abs (- os idx)))))])
-            open-slots)))
-      ; Moving value into a room
-      (and (not (seq? slot)) (some? slot))
-      (let [our-room ({:a 2 :b 4 :c 6 :d 8} slot)]
-        (if (every? #(or (nil? (get field %)) (seq? (get field %)))
-                    (range (inc (min our-room idx)) (max our-room idx)))
-          (let [room (get field our-room)]
-            (when (or (empty? room) (every? #(= slot %) room))
-              [(-> field
-                   (assoc idx nil)
-                   (update our-room conj slot))
-               (+ energy (* ({:a 1 :b 10 :c 100 :d 1000} slot)
-                            (+ (Math/abs (- idx our-room)) (- 4 (count room)))))])))))))
-
-(defn winner? [[field q s]]
-  (= field
-    [nil
-     nil
-     (seq [:a :a :a :a])
-     nil
-     (seq [:b :b :b :b])
-     nil
-     (seq [:c :c :c :c])
-     nil
-     (seq [:d :d :d :d])
-     nil
-     nil]))
-
-(defn do-turns [fields]
-  (into #{}
-    (r/fold
-      r/cat
-      #(if-let [t (apply do-slot %2)]
-         (if (seq? t)
-           (reduce r/append! %1 t)
-           (r/append! %1 t))
-         %1)
-      (into [] (for [f fields i (range 0 11)] [f i])))))
-
-(defn play-games [turns tc]
-  (println "Games:" (count turns) "Turn:" tc)
-  (let [new-turns (do-turns turns)
-        winners (filter winner? new-turns)]
-    (if (seq winners)
-      (map second winners)
-      (recur new-turns (inc tc)))))
-
-(->> (play-games #{[init-field 0]} 0)
-     sort
-     first
-     ((partial println "Lowest energy:")))
-