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{-# LANGUAGE OverloadedStrings #-}
module DayFour (module DayFour) where

import qualified Data.Text as T
import qualified Text.Read as TR
import qualified Data.Maybe as M
import qualified Data.Set as S


extractNumbers :: T.Text -> [Int]

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module DayThree (module DayThree) where

import qualified Data.Text as T
import qualified Text.Read as TR
import qualified Data.Foldable as DF
import qualified Data.Maybe as M
import qualified Data.List.Safe as LS
import qualified Data.Set as S
import qualified Data.List as L
import qualified Data.Text.IO as TI

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{-# LANGUAGE OverloadedStrings #-}
module DayTwo
  ( partOne, greenCount, legalDraw, legalGame, partOneCheckRow, gameId, power, partTwo
  ) where

import qualified Data.Text as T
import qualified Data.List.Safe as LS
import qualified Data.Text.IO as TI

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module DayOne
    ( partOne, decodeLine, substringIndices, Digit (..), operateOnString, toLower, allDigits, firstDigit, lastDigit, scoreDigit, scoreLine, partTwo
    ) where


import qualified Data.Text as T
import qualified Data.Text.IO as TI
import qualified Data.Maybe as M
import qualified Data.List as L
import qualified Data.List.Safe as LS

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import itertools
import functools

class Subgrid:
    def __init__(self, row, column):
        self.row = row
        self.column = column

    def indices(self):
        return [

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def indices(s,t)
  # indices('abcHellodefHello', 'Hello')
  # => [3,11]
  found = s.index(t)
  if found
    offset = 1 + found
    return [found] + indices(s[offset..], t).map {|e| e + offset}
  else
    return []
  end

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def cycles(size, depth=0):
    # we use (x,y) notation
    if size < 2:
        return iter([])

    not_aware_of_depth = (cycle(offset, size) for offset in range(0, size - 1))
    cycles_at_current_depth = (
        (go_right(go_down(p, depth), depth) for p in cycle)
        for cycle in not_aware_of_depth
    )

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{-# LANGUAGE OverloadedStrings #-}
module DayFifteen
    ( main
    ) where
import qualified Data.Maybe as M
import qualified Data.Ord as O
import qualified Data.Text as T
import qualified Data.Text.IO as TI
import qualified Data.List as L
import qualified Data.List.Split as LS

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module DayFourteen
    ( main
    ) where
import qualified Data.Maybe as M
import qualified Data.Ord as O
import qualified Data.Text as T
import qualified Data.Text.IO as TI
import qualified Data.List as L
import qualified Data.List.Split as LS
import qualified Data.Set as S

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module DayThirteen
    ( main
    ) where
import qualified Data.Maybe as M
import qualified Data.Ord as O
import qualified Data.Text as T
import qualified Data.Text.IO as TI
import qualified Data.List as L
import qualified Data.List.Split as LS
import qualified Data.Function as F