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Clean up day1

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Joseph Ferano 2025-12-01 19:33:42 +07:00
parent 79d521ffba
commit ab2f611f30
1 changed files with 20 additions and 25 deletions
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37
2025.clj
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@ -15,27 +15,13 @@ L99
R14
L82")
(defn day1-get-sequence [input]
(map (fn [line]
(defn day1 [input zero-count-fn]
(let [sequence (map (fn [line]
[(if (= "R" (str (first line)))
#'+
#'-)
(Integer/parseInt (str/join (rest line)))])
(str/split-lines input)))
(defn day1-p1 [input]
(let [sequence (day1-get-sequence input)]
(loop [s sequence
curr 50
zero-count 0]
(if (not (seq s))
zero-count
(let [[f amount] (first s)
new-dial-pos (mod (f curr amount) 100)]
(recur (rest s) new-dial-pos (if (zero? new-dial-pos) (inc zero-count) zero-count)))))))
(defn day1-p2 [input]
(let [sequence (day1-get-sequence input)]
(str/split-lines input))]
(loop [s sequence
curr 50
zero-count 0]
@ -43,12 +29,21 @@ L82")
zero-count
(let [[f amount] (first s)
new-dial-pos (mod (f curr amount) 100)
spins (if (and (neg? (f amount))
(not (zero? curr)))
(quot (+ (- 100 curr) amount) 100)
(quot (+ curr amount) 100))]
spins (zero-count-fn curr (f amount) new-dial-pos)]
(println curr new-dial-pos amount spins)
(recur (rest s) new-dial-pos (+ zero-count spins)))))))
(defn day1-p1 [input]
(day1 input (fn [_ _ new-dial-pos] (if (zero? new-dial-pos) 1 0))))
(defn day1-p2 [input]
(day1 input (fn [curr rotation _]
(let [amount (abs rotation)]
(if (and (neg? rotation)
(not (zero? curr)))
(quot (+ (- 100 curr) (abs amount)) 100)
(quot (+ curr amount) 100))))))
(comment
(day1-p1 day1-input-test)
(day1-p1 (get-input 1))