Day 4 part 1 done
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@ -1,60 +1,64 @@
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import std/[strutils, sequtils, options, math, parseutils, sets]
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import std/[strutils, sequtils, options, math, parseutils, sets, strformat]
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import ./common
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type Board = object
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entries: seq[string]
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checked: seq[int]
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let winningSets = [
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[0, 1, 2, 3, 4],
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[5, 6, 7, 8, 9],
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[10, 11, 12, 13, 14],
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[15, 16, 17, 18, 19],
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[20, 21, 22, 23, 24],
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[0, 5, 10, 15, 20],
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[1, 6, 11, 16, 21],
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[2, 7, 12, 17, 22],
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[3, 8, 13, 18, 23],
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[4, 9, 14, 19, 24]
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].mapIt(it.toHashSet())
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proc isBoardWinning(b: Board): bool =
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let winningSets: seq[HashSet[int]] = [
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[0, 1, 2, 3, 4],
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[5, 6, 7, 8, 9],
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[10, 11, 12, 13, 14],
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[15, 16, 17, 18, 19],
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[20, 21, 22, 23, 24],
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[0, 5, 10, 15, 20],
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[1, 6, 11, 16, 21],
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[2, 7, 12, 17, 22],
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[3, 8, 13, 18, 23],
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[4, 9, 14, 19, 24]
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].mapIt(it.toHashSet())
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proc isBoardWinning(b: ref Board): bool =
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let s = b.checked.toHashSet()
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for w in winningSets:
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if w < s:
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return true
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return false
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proc squidBingo(inputLines: seq[string]): int =
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var input: seq[string] = inputLines
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let calledNumbers: seq[string] = input[0].split ','
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input.delete 0..1
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echo calledNumbers
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# construct boards
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var boards: seq[Board]
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var board: Board = Board(entries: @[], checked: @[])
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for l in input:
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echo l
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if l.strip() == "":
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boards.add board
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echo board.entries
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board = Board(entries: @[], checked: @[])
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continue
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board.entries.add [l[0..1], l[3..4], l[6..7], l[9..10], l[12..13]].mapIt(it.strip())
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boards.add board
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echo boards
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for n in calledNumbers:
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for b in boards:
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echo n
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for b in boards.mitems():
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for i, e in b.entries:
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if n == e:
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# TODO: why can't I add here but I can add on 46?!
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b.checked.add i
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echo b.entries, b.checked
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if b.isBoardWinning():
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# TODO: get unchecked entries
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# TODO: multiple their sum with last .checked
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return 9
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var entriesSum = 0
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for i, v in b.entries:
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if not (i in b.checked): entriesSum += v.parseInt()
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else: echo &"{i} {v}"
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echo &"{entriesSum} * {n} = {entriesSum * n.parseInt()}"
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return entriesSum * n.parseInt()
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return 0
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@ -40,7 +40,7 @@ Or
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- [x] [Day 1](./1.ts)
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- [x] [Day 2](./2.ts)
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- [ ] Day 3
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- [x] [Day 3](./3.ts)
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- [ ] Day 4
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- [ ] Day 5
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- [ ] Day 6
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