5 files changed, 329 insertions, 0 deletions
diff --git a/2023/day05/Main.hs b/2023/day05/Main.hs
new file mode 100644
index 0000000..e7c71e8
--- /dev/null
+++ b/2023/day05/Main.hs
@@ -0,0 +1,24 @@
+import Data.List.Split
+import Data.List
+
+toMapFn :: [(Int, Int)] -> Int -> Int
+toMapFn map seed  
+  | Just (d,s) <- find (\(drs, srs) -> srs == seed) map = d
+  | otherwise = seed
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  let sections = splitOn [""] lines
+  let seeds = map read $ tail $ splitOn [' '] (sections!!0!!0) :: [Int]
+
+  let maps = map (\(_:xs) -> (map (\l -> map (\i -> (read i) :: Int) (splitOn [' '] l)) xs)) (tail sections)
+  let myMaps = map (\m -> concat (map (\[drs, srs, r] -> zip [drs..(drs+r)] [srs..(srs+r)]) m)) maps
+  let myMapFns = map (toMapFn) myMaps
+  let myFn = foldr (.) id (reverse myMapFns)
+
+  print (minimum (map myFn seeds))
+
+  -- mapM_ putStrLn lines
+
diff --git a/2023/day05/Main2.hs b/2023/day05/Main2.hs
new file mode 100644
index 0000000..3a57caa
--- /dev/null
+++ b/2023/day05/Main2.hs
@@ -0,0 +1,52 @@
+import Data.List.Split
+import Data.List
+import Data.Maybe
+
+windows :: [a] -> [[a]]
+windows = filter (\xs -> length xs == 2) . map (take 2) . tails
+
+genBetweens :: [[Int]] -> [[Int]]
+genBetweens section = map (\[[dl, sl, rl], [du, su, ru]] -> [sl + rl, sl + rl, su + ru - sl]) (windows section)
+
+-- 79 14
+--
+-- 50 98 2
+-- 52 50 48
+sectionToRange :: [Int] -> [Int] -> [Int]
+sectionToRange [d,s,r] [start,range] 
+  | begin <= s + r - 1 && end >= s = [d + (begin - s), end - begin + 1]
+  | otherwise = [start, range]
+  where 
+    begin = max start s
+    end = min (start+range -1) (s+r-1)
+
+toMapFn :: [[Int]] -> [[Int]] -> [[Int]]
+toMapFn section seedPairs = nub $ filter (/= []) $ concat $ map (\f -> (map (f) seedPairs)) (map (sectionToRange) section) 
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  let sections = splitOn [""] lines
+  let seeds = map read $ tail $ splitOn [' '] (sections!!0!!0) :: [Int]
+  let seedPairs = chunksOf 2 seeds
+
+  let maps = map (\(_:xs) -> (map (\l -> map (\i -> (read i) :: Int) (splitOn [' '] l)) xs)) (tail sections)
+  let mapsBetweens = map (\x -> [0, 0, (x!!0!!2 -1)] ++ mapBetweens map ++ maps ++ [(last x)!!1 + (last x)!!2, (last x)!!1 + (last x)!!2, (maxBound :: Int) - (last x)!!1 + (last x)!!2] ) maps
+  let myMapFns = map (toMapFn) maps
+  let myFn = foldr (.) id (reverse myMapFns)
+
+  let seedRanges = concat $ map (\seedPair -> myFn [seedPair]) seedPairs
+
+  print ((myMapFns!!0) [seedPairs!!0])
+  -- print ((myMapFns!!1) ((myMapFns!!0) [seedPairs!!0]))
+  -- print ((myFn) [seedPairs!!0])
+  -- print ((map (head) ((myFn) [seedPairs!!0])))
+  -- print ((map (head) ((myFn) [seedPairs!!0])))
+  -- print seedRanges
+  -- print ((map (\[start, range] -> start) seedRanges))
+  -- print (minimum (map (\[start, range] -> start) seedRanges))
+
+
+  -- mapM_ putStrLn lines
+
diff --git a/2023/day05/MainOpt.hs b/2023/day05/MainOpt.hs
new file mode 100644
index 0000000..9b883e6
--- /dev/null
+++ b/2023/day05/MainOpt.hs
@@ -0,0 +1,23 @@
+import Data.List.Split
+import Data.List
+
+toMapFn :: [[Int]] -> Int -> Int
+toMapFn map seed  
+  | Just [d,s, r] <- find (\[drs, srs, r] -> (srs <= seed) && (seed <= srs + r)) map = d + (seed - s)
+  | otherwise = seed
+
+main :: IO ()
+main = do
+  lines <- lines <$> getContents
+
+  let sections = splitOn [""] lines
+  let seeds = map read $ tail $ splitOn [' '] (sections!!0!!0) :: [Int]
+
+  let maps = map (\(_:xs) -> (map (\l -> map (\i -> (read i) :: Int) (splitOn [' '] l)) xs)) (tail sections)
+  let myMapFns = map (toMapFn) maps
+  let myFn = foldr (.) id (reverse myMapFns)
+
+  print (minimum (map myFn seeds))
+
+  -- mapM_ putStrLn lines
+
diff --git a/2023/day05/example.txt b/2023/day05/example.txt
new file mode 100644
index 0000000..f756727
--- /dev/null
+++ b/2023/day05/example.txt
@@ -0,0 +1,33 @@
+seeds: 79 14 55 13
+
+seed-to-soil map:
+50 98 2
+52 50 48
+
+soil-to-fertilizer map:
+0 15 37
+37 52 2
+39 0 15
+
+fertilizer-to-water map:
+49 53 8
+0 11 42
+42 0 7
+57 7 4
+
+water-to-light map:
+88 18 7
+18 25 70
+
+light-to-temperature map:
+45 77 23
+81 45 19
+68 64 13
+
+temperature-to-humidity map:
+0 69 1
+1 0 69
+
+humidity-to-location map:
+60 56 37
+56 93 4
diff --git a/2023/day05/input.txt b/2023/day05/input.txt
new file mode 100644
index 0000000..2fb1f85
--- /dev/null
+++ b/2023/day05/input.txt
@@ -0,0 +1,197 @@
+seeds: 3082872446 316680412 2769223903 74043323 4131958457 99539464 109726392 353536902 619902767 648714498 3762874676 148318192 1545670780 343889780 4259893555 6139816 3980757676 20172062 2199623551 196958359
+
+seed-to-soil map:
+2211745924 1281207339 39747980
+3648083739 2564129012 145170114
+4171944574 2333022880 44675857
+540694760 848661020 78793182
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+2610916913 3714929319 36129924
+3436284910 3503130490 211798829
+4106578495 2787645991 65366079
+
+soil-to-fertilizer map:
+2733576308 471599794 76965554
+1171423854 1329782324 37554133
+2640052871 928987130 93523437
+2015828352 548565348 204028986
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+307271757 0 471599794
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+0 1022510567 307271757
+1544573800 1787531990 294861756
+4206081637 3034988650 34372651
+1839435556 752594334 176392796
+
+fertilizer-to-water map:
+1807260819 3957534991 337432305
+774926879 2718324291 701236360
+2351569884 1690420176 794087185
+313174888 2484507361 233816930
+3145657069 541109949 949949029
+546991818 313174888 227935061
+2144693124 3750658231 206876760
+4095606098 1491058978 199361198
+1476163239 3419560651 331097580
+
+water-to-light map:
+3834982820 3688486185 202897824
+2016707141 372287565 116618935
+3386838019 3412408553 81116937
+1125723906 705568567 205087174
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+3315526510 3675834456 12651729
+2936874590 2031117287 84929853
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+372287565 2365250145 753436341
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+1330811080 1990161103 40956184
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+4187899267 2116047140 107068029
+
+light-to-temperature map:
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+4058204935 4136802755 38991573
+2484168315 1803830764 54458297
+2053264847 2531370441 7735546
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+773500391 2723272875 19339240
+2418402351 3023547580 26705934
+
+temperature-to-humidity map:
+159374282 333555332 155635040
+2263203984 507165487 202752561
+1337996197 836383358 269347352
+733930089 139752127 104367475
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+3329143094 3067273890 44483636
+19622155 0 139752127
+
+humidity-to-location map:
+3728200417 3220538748 36833684
+1907946842 1065499951 70751518
+1978698360 2011387412 298481649
+4048923771 3541262102 246043525
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