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This commit is contained in:
Max Nuding 2021-12-04 11:21:54 +01:00
parent 42e442da09
commit c09561597e
Signed by: phlaym
GPG Key ID: A06651BAB6777237
2 changed files with 612 additions and 27 deletions
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25
Sources/aoc2021/04.swift
View File

@ -23,17 +23,20 @@ struct Board {
} }
mutating func checkHasWon() -> Bool { mutating func checkHasWon() -> Bool {
//print("HasWon?: \(numbers)") var found = false
let foundInRows = numbers.contains { row in defer {
hasWon = hasWon || found
}
found = numbers.contains { row in
row.allSatisfy { $0 == nil } row.allSatisfy { $0 == nil }
} }
if foundInRows { if found {
return true return true
} }
let foundInColumns = numbers.indices.contains { columnIndex in found = numbers.indices.contains { columnIndex in
return numbers.allSatisfy { $0[columnIndex] == nil } numbers.allSatisfy { $0[columnIndex] == nil }
} }
hasWon = foundInColumns hasWon = found
return hasWon return hasWon
} }
@ -72,9 +75,7 @@ struct Day04 {
func runA(boards: inout [Board], inputNumbers: [Int]) { func runA(boards: inout [Board], inputNumbers: [Int]) {
for inputNumber in inputNumbers { for inputNumber in inputNumbers {
//print("\nInput: \(inputNumber)")
for (idx, var board) in boards.enumerated() { for (idx, var board) in boards.enumerated() {
//print("Checking board: \(idx)")
if board.crossOf(num: inputNumber) && board.checkHasWon() { if board.crossOf(num: inputNumber) && board.checkHasWon() {
print(board.calculateScore() * inputNumber) print(board.calculateScore() * inputNumber)
return return
@ -85,11 +86,13 @@ struct Day04 {
} }
func runB(boards: inout [Board], inputNumbers: [Int]) { func runB(boards: inout [Board], inputNumbers: [Int]) {
var countWon = 0
for inputNumber in inputNumbers { for inputNumber in inputNumbers {
//print("\nInput: \(inputNumber)")
for (idx, var board) in boards.enumerated() { for (idx, var board) in boards.enumerated() {
//print("Checking board: \(idx)") if board.crossOf(num: inputNumber) && !board.hasWon && board.checkHasWon() {
if !board.hasWon && board.crossOf(num: inputNumber) && board.checkHasWon() { countWon += 1
}
if countWon == boards.count {
print(board.calculateScore() * inputNumber) print(board.calculateScore() * inputNumber)
return return
} }

614
Sources/aoc2021/Resources/input/04.txt
View File

@ -1,19 +1,601 @@
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 87,7,82,21,47,88,12,71,24,35,10,90,4,97,30,55,36,74,19,50,23,46,13,44,69,27,2,0,37,33,99,49,77,15,89,98,31,51,22,96,73,94,95,18,52,78,32,83,85,54,75,84,59,25,76,45,20,48,9,28,39,70,63,56,5,68,61,26,58,92,67,53,43,62,17,81,80,66,91,93,41,64,14,8,57,38,34,16,42,11,86,72,40,65,79,6,3,29,60,1
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