(ns adventofcode2019.day13
    [:require [adventofcode2019.lib :refer :all]
              [adventofcode2019.intcode :as i]
              [clojure.string :as str]
              [clojure.core.match :refer [match]]
              [clojure.math.combinatorics :as combo]])

(defn day13 []
  (let [input (i/get-program (input-file))
        output (:output (i/intcode (i/build-state input)))
        draw-tiles (fn [screen [x y t]] (assoc screen [x y] t)) 
        screen (reduce draw-tiles {} (partition 3 output))] 
    (part1 (count (filter #(= % 4) (vals screen))))
    #_(part2)))