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(def actions
(repeatedly (read) (fn [] [(read) (read)])))
(defn step [[[[t op] & as' :as as] temp temps] time]
(let [temp' (+ temp (if (= time t) (get '{out 3 in 5} op) 0))]
[(if (= time t) as' as), (max (dec temp') 0), (conj temps temp')]))
(defn calc [actions]
(let [zs (count (filter zero? (last (reduce step [actions 0 []] (range 24)))))]
(+ zs (* 2 (- 24 zs)))))
(println (calc actions))
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