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This commit is contained in:
Adam Jeniski 2024-12-04 23:24:40 -05:00
parent 3c65d19b8d
commit c52b029321
1 changed files with 12 additions and 15 deletions
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15
2024/src/day04.clj
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@ -11,8 +11,7 @@
;; part 1 ;; part 1
(->> input (->> input
c/get-coords c/get-coords
(reduce (fn [acc [row col]] (map (fn [[row col]]
(+ acc
(->> (for [offset (range 4)] (->> (for [offset (range 4)]
(map #(apply get-char %) (map #(apply get-char %)
[[row (+ col offset)] [[row (+ col offset)]
@ -26,20 +25,18 @@
(apply map vector) (apply map vector)
(filter #(= % (seq "XMAS"))) (filter #(= % (seq "XMAS")))
count))) count)))
0)) (reduce +))
;; part 2 ;; part 2
(->> input (->> input
c/get-coords c/get-coords
(reduce (fn [acc [row col]] (filter #(= (apply get-char %) \A))
(+ acc (map (fn [[row col]]
(if (= (get-char row col) \A)
(->> [[[(dec row) (dec col)] [(inc row) (inc col)]] (->> [[[(dec row) (dec col)] [(inc row) (inc col)]]
[[(inc row) (dec col)] [(dec row) (inc col)]]] [[(inc row) (dec col)] [(dec row) (inc col)]]]
(map (partial map #(apply get-char %))) (map (partial map #(apply get-char %)))
(map set) (map set)
(apply = #{\M \S}) (apply = #{\M \S})
c/bool->binary) c/bool->binary)))
0))) (reduce +))
0))