move 2021 days to folder; update README

3 files changed, 0 insertions, 80 deletions

diff --git a/day10/part1.clj b/day10/part1.clj
deleted file mode 100644
index 60ed1e6..0000000
--- a/day10/part1.clj
+++ /dev/null
@@ -1,22 +0,0 @@
-(def to-closing {\{ \} \( \) \[ \] \< \>})
-(def to-score {\) 3 \] 57 \} 1197 \> 25137})
-
-(defn check-line [input]
-  (loop [in input open '()]
-    (when-let [c (first in)]
-      (if (some->> (#{\} \) \] \>} c) (not= (first open)))
-        c
-        (recur
-          (rest in)
-          (if-let [op (to-closing c)]
-            (conj open op)
-            (rest open)
-            ))))))
-
-(->> (slurp "./in")
-     (clojure.string/split-lines)
-     (map (comp to-score check-line vec))
-     (filter some?)
-     (apply +)
-     (println))
-
diff --git a/day10/part2.clj b/day10/part2.clj
deleted file mode 100644
index 4dfaf3b..0000000
--- a/day10/part2.clj
+++ /dev/null
@@ -1,24 +0,0 @@
-(def to-closing {\{ \} \( \) \[ \] \< \>})
-(def to-score {\) 1 \] 2 \} 3 \> 4})
-
-(defn check-line [input]
-  (loop [in input open '()]
-    (if-let [c (first in)]
-      (when (or (nil? (#{\} \) \] \>} c)) (= (first open) c))
-        (recur
-          (rest in)
-          (if-let [op (to-closing c)]
-            (conj open op)
-            (rest open))))
-      open
-      )))
-
-(->> (slurp "./in")
-     (clojure.string/split-lines)
-     (map (comp check-line vec))
-     (filter some?)
-     (map (partial reduce #(+ (* 5 %1) (to-score %2)) 0))
-     (sort)
-     (#(nth % (quot (count %) 2)))
-     (println))
-
diff --git a/day10/partboth.clj b/day10/partboth.clj
deleted file mode 100644
index 78080d9..0000000
--- a/day10/partboth.clj
+++ /dev/null
@@ -1,34 +0,0 @@
-(def to-closing {\{ \} \( \) \[ \] \< \>})
-(def to-score {\) 3 \] 57 \} 1197 \> 25137})
-(def to-score2 {\) 1 \] 2 \} 3 \> 4})
-
-(defn check-line [input]
-  (loop [in input open '()]
-    (if-let [c (first in)]
-      (if (some->> (#{\} \) \] \>} c) (not= (first open)))
-        c
-        (recur
-          (rest in)
-          (if-let [op (to-closing c)]
-            (conj open op)
-            (rest open)
-            )))
-      open
-      )))
-
-(->> (slurp "./in")
-     (clojure.string/split-lines)
-     (map (comp check-line vec))
-     ; check-line returns first invalid character, or list of characters
-     ; necessary to close the line. Work through these through `reduce`
-     ; and build the answers for both parts:
-     (reduce
-       (fn [tots nxt]
-         (if (seq? nxt)
-           (update tots 1 #(conj % (reduce (fn [a b] (+ (* 5 a) (to-score2 b))) 0 nxt)))
-           (update tots 0 #(+ % (to-score nxt)))))
-       [0 '()])
-     ; Get part 2 answer from the list of scores:
-     (#(update % 1 (fn [ns] (nth ns (quot (count ns) 2)))))
-     (println))
-