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04a

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This commit is contained in:
Max Nuding 2021-12-04 11:09:56 +01:00
parent d341f9b45c
commit 42e442da09
Signed by: phlaym
GPG Key ID: A06651BAB6777237
1 changed files with 18 additions and 5 deletions
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23
Sources/aoc2021/04.swift
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@ -58,13 +58,16 @@ struct Day04 {
.map { Int($0)! } .map { Int($0)! }
_ = lines.removeFirst() //empty seperator line _ = lines.removeFirst() //empty seperator line
let boards = lines let boardsInitial = lines
.split(separator: "") .split(separator: "")
.map { boardLines in .map { boardLines in
Board(numbers: boardLines.map { $0.split(separator: " ").map { num in Int(num)! } }) Board(numbers: boardLines.map { $0.split(separator: " ").map { num in Int(num)! } })
} }
var boardsA = boards var boards = boardsInitial
runA(boards: &boardsA, inputNumbers: inputNumbers) runA(boards: &boards, inputNumbers: inputNumbers)
boards = boardsInitial
runB(boards: &boards, inputNumbers: inputNumbers)
} }
func runA(boards: inout [Board], inputNumbers: [Int]) { func runA(boards: inout [Board], inputNumbers: [Int]) {
@ -81,7 +84,17 @@ struct Day04 {
} }
} }
func runB(_ commands: [String]) { func runB(boards: inout [Board], inputNumbers: [Int]) {
for inputNumber in inputNumbers {
//print("\nInput: \(inputNumber)")
for (idx, var board) in boards.enumerated() {
//print("Checking board: \(idx)")
if !board.hasWon && board.crossOf(num: inputNumber) && board.checkHasWon() {
print(board.calculateScore() * inputNumber)
return
}
boards[idx] = board
}
}
} }
} }