Various changes to day 4

[ou-summer-of-code-2017.git] / 04-08-amidakuji / day4.clj

diff --git a/04-08-amidakuji/day4.clj b/04-08-amidakuji/day4.clj
deleted file mode 100644 (file)
index 3c5d494..0000000
--- a/04-08-amidakuji/day4.clj
+++ /dev/null
@@ -1,70 +0,0 @@
-(ns day4
-    (:require [clojure.string :as str]))
-
-(defstruct link :height :left :right)
-
-; (def network (str/split-lines (slurp "../04-small.txt")))
-(def network (str/split-lines (slurp "../04-lines.txt")))
-
-(defn parse-link [l, h]
-    (let [endss (rest (str/split l #"\D+"))
-          ends (map #(Integer/parseInt %) endss)]
-        (struct-map link
-            :height h
-            :left (first ends)
-            :right (second ends))))
-
-(defn parse-network [links]
-    (map-indexed 
-        (fn [i l] (parse-link l i)) 
-        links))
-
-(def parsed-network
-    (parse-network network))
-
-
-(def initial
-    (str/split "abcdefghijklmnopqrstuvwxyz" #""))
-
-(defn apply-link [items link]
-    (let [li (get link :left)
-          ri (get link :right)
-          le (nth items li)
-          re (nth items ri)
-          pre (subvec items 0 li)
-          mid (subvec items (inc li) ri)
-          suf (subvec items (inc ri))]
-    (into [] (concat pre (vector re) mid (vector le) suf))))
-
-(defn follow [items links]
-    (reduce apply-link items links))
-
-
-(defn lane-count [links]
-    (inc (apply max (map (fn [l] (get l :right)) links))))
-
-(defn initial-heights [links]
-    (vec (replicate (lane-count links) -1)))
-
-(defn pack-one [lane-heights link]
-    (let 
-        [li (get link :left)
-         ri (get link :right)
-         new-height (inc (max (nth lane-heights li)
-                              (nth lane-heights ri)))]
-        (assoc lane-heights li new-height ri new-height)))
-
-(defn pack [lane-heights links]
-    (reduce pack-one lane-heights links))
-
-
-(spit "day4.out" (prn-str 
-    (str/join (follow initial parsed-network))))
-
-(spit "day4.out" (prn-str 
-    (apply max 
-        (pack
-            (initial-heights parsed-network)
-            parsed-network)))
-    :append true)
-