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-rwxr-xr-xAoC2022/01/solver.lisp40
-rw-r--r--AoC2022/aocclj/src/aocclj/day01.clj7
-rw-r--r--AoC2022/readme.org2
3 files changed, 37 insertions, 12 deletions
diff --git a/AoC2022/01/solver.lisp b/AoC2022/01/solver.lisp
index d39bb7c..dd09c07 100755
--- a/AoC2022/01/solver.lisp
+++ b/AoC2022/01/solver.lisp
@@ -2,22 +2,46 @@
(ql:quickload '(:uiop :fiveam))
-(defun elves-rations ()
+(defun elves-rations (input)
(reduce
(lambda (acc value)
- (if (string= value "")
+ (if (equal value "")
(cons 0 acc)
(progn
(incf (car acc) (parse-integer value))
acc)))
- (uiop:read-file-lines "input")
+ input
:initial-value (list 0)))
+(defun elves-rations-nc (filename)
+ (with-open-file (in filename)
+ (let ((acc (list 0)))
+ (loop for line = (read-line in nil) while line
+ for num = (parse-integer line :junk-allowed t)
+ if (numberp num) do
+ (incf (car acc) num)
+ else do
+ (push 0 acc))
+ acc)))
+
+(defun elves-rations-max (filename)
+ (with-open-file (in filename)
+ (let ((max 0)
+ (elf 0))
+ (loop for line = (read-line in nil) while line
+ for num = (parse-integer line :junk-allowed t)
+ if (numberp num) do
+ (incf elf num)
+ else do
+ (setf max (max elf max))
+ (setf elf 0))
+ (max elf max))))
+
(fiveam:test results
- (let ((rations (elves-rations)))
+ (let ((rations (elves-rations (uiop:read-file-lines "input"))))
;; calculate the maximum from each elves rations
- (fiveam:is (= 75622 (apply #'max rations)))
+ (fiveam:is (= 75622 (reduce #'max rations)))
+ (fiveam:is (= 75622 (reduce #'max (elves-rations-nc "input"))))
+ (fiveam:is (= 75622 (elves-rations-max "input")))
;; calculate the maximum from each elves rations
- (fiveam:is (= 213159 (apply #'+ (subseq (sort rations #'>) 0 3))))))
-
-
+ (fiveam:is (= 213159 (reduce #'+ (subseq (sort rations #'>) 0 3))))))
diff --git a/AoC2022/aocclj/src/aocclj/day01.clj b/AoC2022/aocclj/src/aocclj/day01.clj
index 8fca2e6..df6d101 100644
--- a/AoC2022/aocclj/src/aocclj/day01.clj
+++ b/AoC2022/aocclj/src/aocclj/day01.clj
@@ -2,17 +2,16 @@
(:require [clojure.string :as str]))
(defn preprocess [input]
- (transduce
+ (sequence
(comp
(map parse-long)
(partition-by nil?)
(take-nth 2)
(map (partial reduce +)))
- conj
input))
(defn part1 [input]
- (apply max (preprocess input)))
+ (reduce max (preprocess input)))
(defn part2 [input]
- (->> input preprocess sort (take 3) (apply +)))
+ (->> input preprocess (sort >) (take 3) (reduce +)))
diff --git a/AoC2022/readme.org b/AoC2022/readme.org
index ae155cb..cab252c 100644
--- a/AoC2022/readme.org
+++ b/AoC2022/readme.org
@@ -6,3 +6,5 @@ From any directory to execute the solutions call
#+begin_src bash
make -C .. <language>
#+end_src
+* Review on other languages
+https://github.com/abyala/advent-2022-clojure