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90 lines
1.4 KiB
Clojure
90 lines
1.4 KiB
Clojure
3 years ago
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(require '[clojure.string :as str])
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(defn read-coords []
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(let [line (read-line)]
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(when (not (empty? line))
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(mapv
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#(Integer/parseInt %)
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(str/split
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line
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#"[^\d]+"
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)
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)
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)
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)
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)
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(defn mark-coord [cmap x y]
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(vec
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(for [c (range 0 (count cmap))]
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(if (= c y)
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(vec
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(for [r (range 0 (count cmap))]
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(if (= r x)
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(inc (get (get cmap c) r))
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(get (get cmap c) r)
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)
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)
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)
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(get cmap c)
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)
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)
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)
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)
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(defn mark-coords [cmap x1 y1 x2 y2]
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(cond
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(= y1 y2)
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(loop [cm cmap x (range (min x1 x2) (inc (max x1 x2)))]
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(if (empty? x)
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cm
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(recur
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(mark-coord cm (first x) y1)
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(rest x)
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)
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)
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)
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(= x1 x2)
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(loop [cm cmap y (range (min y1 y2) (inc (max y1 y2)))]
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(if (empty? y)
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cm
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(recur
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(mark-coord cm x1 (first y))
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(rest y)
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)
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)
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)
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:else
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cmap
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)
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)
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(defn empty-map []
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(vec
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(repeat 1000
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(vec (repeat 1000 0))
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)
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)
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)
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(def finished-map
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(loop [cmap (empty-map) coord (read-coords)]
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(if (empty? coord)
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cmap
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(recur
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(apply (partial mark-coords cmap) coord)
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(read-coords)
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)
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)
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)
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)
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(->> finished-map
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(flatten)
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(map dec)
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(filter pos?)
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(count)
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(println)
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)
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