From 982e75b35da311778e3a3fa208140ebcc9ddecc4 Mon Sep 17 00:00:00 2001
From: Mart Lubbers <mart@martlubbers.net>
Date: Wed, 2 Dec 2020 15:22:06 +0100
Subject: [PATCH 1/1] Initial commit

---
 .gitignore |    2 +
 1/input    |  200 +++++++++++
 1/one.icl  |   20 ++
 2/input    | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2/one.icl  |   29 ++
 5 files changed, 1251 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 1/input
 create mode 100644 1/one.icl
 create mode 100644 2/input
 create mode 100644 2/one.icl

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6d9bc01
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+a.out
+Clean System Files
diff --git a/1/input b/1/input
new file mode 100644
index 0000000..e858abe
--- /dev/null
+++ b/1/input
@@ -0,0 +1,200 @@
+1509
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diff --git a/1/one.icl b/1/one.icl
new file mode 100644
index 0000000..ccfe85b
--- /dev/null
+++ b/1/one.icl
@@ -0,0 +1,20 @@
+module one
+
+import StdEnv
+
+read :: *File -> [Int]
+read f
+	# (ok, l, f) = freadi f
+	| not ok = []
+	= [l:read f]
+
+Start w
+	# (io, w) = stdio w
+	# ls = read io
+	= (one ls, two ls)
+
+one :: [Int] -> Int
+one nums = hd [x*y\\x<-nums, y<-nums | x + y == 2020]
+
+two :: [Int] -> Int
+two nums = hd [x*y*z\\x<-nums, y<-nums, z<-nums | x + y + z == 2020]
diff --git a/2/input b/2/input
new file mode 100644
index 0000000..bb8b5b8
--- /dev/null
+++ b/2/input
@@ -0,0 +1,1000 @@
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+4-5 w: kwwdwjw
+1-3 m: xmsmmm
+4-5 l: fllzl
+1-2 c: nccgs
+2-6 p: psphpskgbnvj
+13-14 g: ggggghggccgqfjgggg
+6-8 f: gmjfrvff
+16-18 x: xxxxfxxxgxwxxxxxxsx
+10-19 s: njsrgsssscssssssssc
+2-3 h: hswh
+2-5 g: gggbv
+4-9 z: zzlzrpctzxm
+2-3 h: lhhlhctg
+17-18 q: qqqqqqqqqqqqqqqqqq
+11-13 j: jjjjsjdjnzglfjnjjjj
+2-4 k: kklk
+6-12 p: pfpppzpppzpbpg
+3-5 s: sbsssss
+4-6 r: wzsrffr
+10-13 r: rrrnrkfrrcrtnrlh
+16-18 m: mmtmrxmmmmmmmmmcmmm
+9-11 b: bkbltdvbtwbbtsb
diff --git a/2/one.icl b/2/one.icl
new file mode 100644
index 0000000..7040c9b
--- /dev/null
+++ b/2/one.icl
@@ -0,0 +1,29 @@
+module one
+
+import StdEnv
+import Data.Functor
+import Data.Either
+import Control.Applicative
+import Text.Parsers.Simple.ParserCombinators
+
+read :: *File -> [Char]
+read f
+	# (ok, l, f) = freadc f
+	| not ok = []
+	= [l:read f]
+
+Start w
+	# (io, w) = stdio w
+	= case parse (many lineparser) (read io) of
+		Left e = Left e
+		Right a = Right (length (filter validone a), length (filter validtwo a))
+
+validone :: (Int, Int, Char, String) -> Bool
+validone (fro, to, a, s) = isMember (length [c\\c<-:s | c == a]) [fro..to]
+
+validtwo :: (Int, Int, Char, String) -> Bool
+validtwo (fro, to, a, s) = (s.[fro-1] == a || s.[to-1] == a) && s.[fro-1] <> s.[to-1]
+
+lineparser :: Parser Char (Int, Int, Char, String)
+lineparser = (\a b c d->(a, b, c, d)) <$> pInt <* pToken '-' <*> pInt <* pSpace <*> pAlpha <* pToken ':' <* pSpace <*> (toString <$> many pAlpha) <* pToken '\n'
+where pInt = toInt o toString <$> some pDigit
-- 
2.20.1