Problem 8

deps.edn

@@ -3,10 +3,8 @@
         binaryage/oops {:mvn/version "0.6.4"}}
  :aliases
  {:test {:extra-paths ["test"]
-         :extra-deps {org.clojure/clojure {:mvn/version "1.10.0-RC5"}
-                      ;; org.clojure/clojurescript {:mvn/version "1.10.439"}
-                      org.clojure/clojurescript {:git/url "https://github.com/clojure/clojurescript"
-                                                 :sha "d6f8896452b531a273f99f2716aaa08f09600063"}
+         :extra-deps {org.clojure/clojure {:mvn/version "1.10.1"}
+                      org.clojure/clojurescript {:mvn/version "1.10.520"}
                       org.clojure/test.check {:mvn/version "RELEASE"}
                       ;;org.clojure/spec.alpha {:local/root "/Users/Borkdude/git/spec.alpha"}
                       chivorcam {:mvn/version "1.0.0"}

src/euler/p008/data.cljc

@@ -0,0 +1,4 @@
+(ns euler.p008.data)
+
+(def answer 23514624000)
+

src/euler/p008/dfuenzalida.cljc

@@ -0,0 +1,48 @@
+(ns euler.p008.dfuenzalida
+  (:refer-clojure :exclude [read-string format])
+  (:require
+   [euler.utils :as u :refer [deftest parse-int]]
+   [euler.p008.data :refer [answer]]
+   [clojure.test :as t :refer [is testing]]))
+
+(def input (str
+            "73167176531330624919225119674426574742355349194934"
+            "96983520312774506326239578318016984801869478851843"
+            "85861560789112949495459501737958331952853208805511"
+            "12540698747158523863050715693290963295227443043557"
+            "66896648950445244523161731856403098711121722383113"
+            "62229893423380308135336276614282806444486645238749"
+            "30358907296290491560440772390713810515859307960866"
+            "70172427121883998797908792274921901699720888093776"
+            "65727333001053367881220235421809751254540594752243"
+            "52584907711670556013604839586446706324415722155397"
+            "53697817977846174064955149290862569321978468622482"
+            "83972241375657056057490261407972968652414535100474"
+            "82166370484403199890008895243450658541227588666881"
+            "16427171479924442928230863465674813919123162824586"
+            "17866458359124566529476545682848912883142607690042"
+            "24219022671055626321111109370544217506941658960408"
+            "07198403850962455444362981230987879927244284909188"
+            "84580156166097919133875499200524063689912560717606"
+            "05886116467109405077541002256983155200055935729725"
+            "71636269561882670428252483600823257530420752963450"))
+
+(defn digit-to-int [c]
+  (parse-int (str c)))
+
+(defn solve [n]
+  (->> (map digit-to-int input)
+       (partition n 1)
+       (map #(apply * %))
+       (reduce max)))
+
+(deftest part-1
+  (is (= 5832 (solve 4)))
+  (is (= (str answer)
+         (str (solve 13)))))
+
+;;;; Scratch
+
+(comment
+  (t/run-tests)
+)