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42 lines
1.1 KiB
Clojure
42 lines
1.1 KiB
Clojure
3 years ago
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(require '[clojure.string :as str])
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(def input (->> (slurp "./in")
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(str/split-lines)
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(split-with not-empty)))
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(def points (->> (first input)
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(map #(str/split % #","))
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(map (partial map read-string))
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(set)))
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(def folds (->> (rest (second input))
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(map #(str/split % #"="))
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(map #(do [(last (first %)) (read-string (second %))]))))
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(loop [fds (take 1 folds) pts points]
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(if (empty? fds)
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(println (count pts))
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(recur
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(rest fds)
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(let [ins (first fds) chg (second ins)]
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(if (= \x (first ins))
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(reduce
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#(conj %1
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(if (< (first %2) chg)
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%2
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(seq [(- (first %2) (* 2 (- (first %2) chg))) (second %2)])))
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#{}
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pts)
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(reduce
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#(conj %1
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(if (< (second %2) chg)
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%2
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(seq [(first %2) (- (second %2) (* 2 (- (second %2) chg)))])
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))
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#{}
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pts)
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)
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)
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)
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)
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)
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