Add day 1 and solutions

diff --git a/day01/fuel.clj b/day01/fuel.clj
new file mode 100644 (file)
index 0000000..916f45b
--- /dev/null
+++ b/day01/fuel.clj
@@ -0,0 +1,24 @@
+(ns aoc.core
+    [:require [clojure.string :as str]])
+
+(def get-list-from-file
+  #(str/split-lines (slurp %)))
+
+(def parse-int
+  #(Integer/parseInt %))
+
+(defn get-fuel-req [mass]
+  (reduce + (take-while #(> % 0) (drop 1 (iterate #(- (quot % 3) 2) mass)))))
+
+(defn total-fuel-requirement-naive [input]
+  (reduce + (map #(- (quot % 3) 2) input)))
+
+(defn total-fuel-requirement [input]
+  (reduce + (map get-fuel-req input)))
+
+(defn -main []
+  (let [input (map parse-int (get-list-from-file "input"))] 
+    (println (total-fuel-requirement-naive input))
+    (println (total-fuel-requirement input))))
+
+(-main)

diff --git a/day01/input b/day01/input
new file mode 100644 (file)
index 0000000..eea337c
--- /dev/null
+++ b/day01/input
@@ -0,0 +1,100 @@
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