day 6

src/day6.clj

@@ -0,0 +1,53 @@
+(ns day6
+  (:require [clojure.edn :as edn]
+            [clojure.string :as string]
+            [helpers :refer [get-input]]))
+
+(def example
+"123 328  51 64 
+ 45 64  387 23 
+  6 98  215 314
+*   +   *   +  ")
+
+;;(def input (string/split-lines example))
+(def input (string/split-lines (get-input 6)))
+
+(defn calc [& args]
+  (let [v (mapv edn/read-string args)
+        op (peek v)
+        ns (pop v)]
+    (apply (resolve op) ns)))
+
+(println "Total sum:"
+         (->>
+          input
+          (mapv #(string/split (string/trim %) #"\ +"))
+          (apply map calc)
+          (reduce +)))
+
+(def nums (mapv vec (pop input)))
+(def ops (mapv (comp resolve edn/read-string)
+               (string/split (string/trim (peek input)) #"\ +")))
+
+(defn get-ns [lines]
+  (loop [ns []
+         lines lines]
+    (if (empty? (first lines))
+      [ns []]
+      (let [n (->> (mapv peek lines)
+                   (apply str)
+                   string/trim)]
+        (if (zero? (count n))
+          [ns (mapv pop lines)]
+          (recur (conj ns (edn/read-string n))
+                 (mapv pop lines)))))))
+
+(println "Result (part 2):"
+         (loop
+             [lines nums
+              ops ops
+              rs []]
+           (if (empty? ops)
+             (reduce + rs)
+             (let [[ns lines] (get-ns lines)]
+               (recur lines (pop ops) (conj rs (apply (peek ops) ns)))))))