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This commit is contained in:
Tristan
2022-11-29 19:52:02 +01:00
parent f35c24d35d
commit b07b0b2ae8
22 changed files with 869 additions and 1105 deletions
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4
src/Y21/Day1.php
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@ -4,12 +4,14 @@ namespace trizz\AdventOfCode\Y21;
use trizz\AdventOfCode\Solution;
class Day1 extends Solution
final class Day1 extends Solution
{
public static int|string|null $part1ExampleResult = 7;
public static int|string|null $part1Result = 1688;
public static int|string|null $part2ExampleResult = 5;
public static int|string|null $part2Result = 1728;
/**

8
src/Y21/Day2.php
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@ -4,13 +4,15 @@ namespace trizz\AdventOfCode\Y21;
use trizz\AdventOfCode\Solution;
class Day2 extends Solution
final class Day2 extends Solution
{
public static int|string|null $part1ExampleResult = 150;
public static int|string|null $part1Result = 1654760;
public static int|string|null $part1Result = 1_654_760;
public static int|string|null $part2ExampleResult = 900;
public static int|string|null $part2Result = 1956047400;
public static int|string|null $part2Result = 1_956_047_400;
/**
* {@inheritdoc}

11
src/Y21/Day3.php
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@ -4,10 +4,11 @@ namespace trizz\AdventOfCode\Y21;
use trizz\AdventOfCode\Solution;
class Day3 extends Solution
final class Day3 extends Solution
{
public static int|string|null $part1ExampleResult = 198;
public static int|string|null $part1Result = 3309596;
public static int|string|null $part1Result = 3_309_596;
/**
* {@inheritdoc}
@ -27,9 +28,9 @@ class Day3 extends Solution
$gammaRate = '';
$epsilonRate = '';
foreach ($bits as $values) {
$zeros = array_filter($values, static fn ($value) => $value === '0');
$ones = array_filter($values, static fn ($value) => $value === '1');
foreach ($bits as $bit) {
$zeros = array_filter($bit, static fn ($value) => $value === '0');
$ones = array_filter($bit, static fn ($value) => $value === '1');
$gammaRate .= ($ones > $zeros) ? '1' : '0';
$epsilonRate .= ($ones < $zeros) ? '1' : '0';

30
src/Y21/Day4.php
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@ -4,12 +4,14 @@ namespace trizz\AdventOfCode\Y21;
use trizz\AdventOfCode\Solution;
class Day4 extends Solution
final class Day4 extends Solution
{
public static int|string|null $part1ExampleResult = 4512;
public static int|string|null $part1Result = 60368;
public static int|string|null $part2ExampleResult = 1924;
public static int|string|null $part2Result = 17435;
/**
@ -30,15 +32,13 @@ class Day4 extends Solution
/**
* @param int[] $winningCard
* @param int $number
* @psalm-param array<int, array<array-key, bool|int>|string> $winningCard
*
* @return int
* @psalm-param array<int, array<array-key, bool|int>|string> $winningCard
*/
protected function calculateScore(array $winningCard, int $number): int
private function calculateScore(array $winningCard, int $number): int
{
$return = [];
array_walk_recursive($winningCard, static function (bool $value, int $key) use (&$return) {
array_walk_recursive($winningCard, static function (bool $value, int $key) use (&$return): void {
$return[$key] = $value;
});
$unusedNumbers = array_keys(array_filter($return, static fn (bool $value) => !$value));
@ -47,14 +47,13 @@ class Day4 extends Solution
}
/**
* @param string $numberList
* @param string $separator
* @param non-empty-string $separator
*
* @return int[]
*
* @psalm-return array<int, int>
*/
protected function explodeNumbers(string $numberList, string $separator): array
private function explodeNumbers(string $numberList, string $separator): array
{
return array_map(
static fn ($value) => (int) $value,
@ -67,13 +66,10 @@ class Day4 extends Solution
/**
* @param string[] $data
* @param bool $firstWins
*
* @return int|string
*/
protected function playBingo(array $data, bool $firstWins = true): int|string
private function playBingo(array $data, bool $firstWins = true): int|string
{
$numbers = $this->explodeNumbers(array_shift($data), ',');
$numbers = $this->explodeNumbers(array_shift($data) ?? '', ',');
$cards = $this->setupCards($data);
$finishedCards = [];
@ -129,7 +125,7 @@ class Day4 extends Solution
*
* @psalm-return array<int, array<int, array<false|int>|string>>
*/
protected function setupCards(array $data): array
private function setupCards(array $data): array
{
$cards = array_chunk($data, 5);
foreach ($cards as $card => $rows) {
@ -148,7 +144,7 @@ class Day4 extends Solution
*
* @psalm-return list<int>
*/
protected function checkCards(array $cards, array $finishedCards): array
private function checkCards(array $cards, array $finishedCards): array
{
$winningCards = [];
// Check rows
@ -191,7 +187,7 @@ class Day4 extends Solution
return $winningCards;
}
protected function arrayHasSingleValue(array $array, bool $value): bool
private function arrayHasSingleValue(array $array, bool $value): bool
{
return count(array_unique($array)) === 1 && end($array) === $value;
}

21
src/Y21/Day6.php
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@ -5,20 +5,22 @@ namespace trizz\AdventOfCode\Y21;
use JetBrains\PhpStorm\Immutable;
use trizz\AdventOfCode\Solution;
class Day6 extends Solution
final class Day6 extends Solution
{
public static int|string|null $part1ExampleResult = 5934;
public static int|string|null $part1Result = 350917;
public static int|string|null $part2ExampleResult = 26984457539;
public static int|string|null $part2Result = 1592918715629;
public static int|string|null $part2ExampleResult = 26_984_457_539;
public static int|string|null $part2Result = 1_592_918_715_629;
/**
* @var int[]
*
* @psalm-param array{int: int}
*/
#[Immutable]
protected array $startState = [
#[Immutable] private array $startState = [
8 => 0,
7 => 0,
6 => 0,
@ -48,11 +50,10 @@ class Day6 extends Solution
/**
* @param int[] $state
* @psalm-param array{int: int} $state
*
* @return array
* @psalm-param array{int: int} $state
*/
protected function processDay(array $state): array
private function processDay(array $state): array
{
$newState = $state;
@ -75,11 +76,11 @@ class Day6 extends Solution
return $newState;
}
protected function processPuzzle(int $numberOfDays, string $data): int
private function processPuzzle(int $numberOfDays, string $data): int
{
$state = $this->startState;
array_map(static function (string $stateValue) use (&$state) {
array_map(static function (string $stateValue) use (&$state): void {
++$state[(int) $stateValue];
}, explode(',', $data));

15
src/Y21/Day7.php
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@ -4,13 +4,15 @@ namespace trizz\AdventOfCode\Y21;
use trizz\AdventOfCode\Solution;
class Day7 extends Solution
final class Day7 extends Solution
{
public static int|string|null $part1ExampleResult = 37;
public static int|string|null $part1Result = 344297;
public static int|string|null $part2ExampleResult = 168;
public static int|string|null $part2Result = 97164301;
public static int|string|null $part2Result = 97_164_301;
/**
* {@inheritdoc}
@ -28,15 +30,10 @@ class Day7 extends Solution
return $this->calculateFuel($data[0], forPart2: true);
}
/**
* @param string $data
* @param bool $forPart2
*
* @return int
*/
protected function calculateFuel(string $data, bool $forPart2 = false): int
private function calculateFuel(string $data, bool $forPart2 = false): int
{
$crabs = array_map(static fn (string $crab) => (int) $crab, explode(',', $data));
/** @psalm-param array{int: int} $fuelPerPosition */
$fuelPerPosition = [];

10
src/Y21/Day8.php
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@ -6,7 +6,7 @@ use trizz\AdventOfCode\Solution;
use trizz\AdventOfCode\Utils\Arr;
use trizz\AdventOfCode\Utils\Str;
class Day8 extends Solution
final class Day8 extends Solution
{
public static int|string|null $part1ExampleResult = 26;
@ -14,7 +14,7 @@ class Day8 extends Solution
public static int|string|null $part2ExampleResult = 61229;
public static int|string|null $part2Result = 1027422;
public static int|string|null $part2Result = 1_027_422;
private array $digitPatterns;
@ -26,7 +26,7 @@ class Day8 extends Solution
public function part1(array $data): int
{
$values = array_map(
static fn ($item) => strlen($item),
static fn ($item) => strlen((string) $item),
Arr::flatten(
array_map(
static fn ($item) => explode(' ', $item),
@ -48,8 +48,8 @@ class Day8 extends Solution
foreach ($data as $line) {
$item = explode(' | ', $line);
$sequences[] = [
'patterns' => array_map([Str::class, 'sort'], explode(' ', $item[0])),
'shown' => array_map([Str::class, 'sort'], explode(' ', $item[1])),
'patterns' => array_map(Str::sort(...), explode(' ', $item[0])),
'shown' => array_map(Str::sort(...), explode(' ', $item[1])),
];
}