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simplify

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This commit is contained in:
Adam Jeniski 2023-12-04 01:22:00 -05:00
parent b38a9393d3
commit cf53738987
1 changed files with 8 additions and 11 deletions
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19
2023/src/day04.clj
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@ -6,18 +6,15 @@
[clojure.string :as string] [clojure.string :as string]
[core :refer [get-puzzle-input]])) [core :refer [get-puzzle-input]]))
(def lines (get-puzzle-input 4)) (def data (->> (get-puzzle-input 4)
(map #(rest (re-find #"^Card\s*\d+: ([\s\d]+) \| ([\s\d]+)" %)))
(defn parse-lines [lines] (map (partial map #(->> (string/split % #" ")
(->> lines (filter not-empty)
(map #(rest (re-find #"^Card\s*\d+: ([\s\d]+) \| ([\s\d]+)" %))) (map (fn [x] (Integer/parseInt x)))
(map (partial map #(->> (string/split % #" ") (into #{}))))))
(filter not-empty)
(map (fn [x] (Integer/parseInt x)))
(into #{}))))))
;; part 1 ;; part 1
(->> (parse-lines lines) (->> data
(map (partial apply intersection)) (map (partial apply intersection))
(map count) (map count)
(map #(math/pow 2 (dec %))) (map #(math/pow 2 (dec %)))
@ -26,7 +23,7 @@
;; part 2 ;; part 2
(loop [acc 0 (loop [acc 0
data (->> (parse-lines lines) data (->> data
(map #(vector 1 (count (apply intersection %)))) (map #(vector 1 (count (apply intersection %))))
(into []))] (into []))]
(if (not-empty data) (if (not-empty data)