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Day 4 part 2

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This commit is contained in:
Daniel Flanagan 2021-12-05 10:32:03 -06:00
parent 7c663d41e6
commit e9fa1ac9cb
1 changed files with 16 additions and 23 deletions
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25
2021/four.nim
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@ -1,4 +1,4 @@
import std/[strutils, sequtils, options, math, parseutils, sets, strformat]
import std/[strutils, sequtils, options, math, parseutils, sets, strformat, algorithm]
import ./common
type Board = object
@ -38,7 +38,7 @@ proc squidBingo(inputLines: seq[string]): int =
boards.add board
board = Board(entries: @[], checked: @[])
continue
board.entries.add [l[0..1], l[3..4], l[6..7], l[9..10], l[12..13]].mapIt(it.strip())
board.entries.add l.split(' ').filterIt(it != "").mapIt(it.strip())
boards.add board
@ -68,38 +68,33 @@ proc loseSquidBingo(inputLines: seq[string]): int =
boards.add board
board = Board(entries: @[], checked: @[])
continue
board.entries.add [l[0..1], l[3..4], l[6..7], l[9..10], l[12..13]].mapIt(it.strip())
board.entries.add l.split(' ').filterIt(it != "").mapIt(it.strip())
boards.add board
for n in calledNumbers:
echo &"Calling {n}..."
var removeBoards: seq[int] = @[]
for bbi, b in boards.mpairs():
for i, e in b.entries:
if n == e:
b.checked.add i
if b.isBoardWinning():
echo "Board Win"
if (boards.len() - removeBoards.len()) < 2:
echo &"Last Board: {board}"
var entriesSum = 0
for i, v in b.entries:
if not (i in b.checked): entriesSum += v.parseInt()
return entriesSum * n.parseInt()
else:
removeBoards.add(bbi)
echo &"Removing {removeBoards.len()} board(s) of {boards.len()}..."
for i in removeBoards:
boards.delete(i, i)
for i in removeBoards.reversed():
boards.delete(i..i)
return 0
let input = 4.loadInput()
# time("squidBingo part 1"): echo input.squidBingo()
# time("loseSquidBingo part 2"): echo input.loseSquidBingo()
time("squidBingo part 1"): echo input.squidBingo()
time("loseSquidBingo part 2"): echo input.loseSquidBingo()
when not defined(release):
static:
let testInput = """7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
22 13 17 11 0
@ -119,7 +114,5 @@ when not defined(release):
18 8 23 26 20
22 11 13 6 5
2 0 12 3 7""".split('\n')
# doAssert testInput.squidBingo() == 4512
let r = testInput.loseSquidBingo()
echo r
doAssert r == 1924
doAssert testInput.squidBingo() == 4512
doAssert testInput.loseSquidBingo() == 1924