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Start day 18

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This commit is contained in:
Rob Stoffelen 2023-12-18 08:24:47 +01:00
parent d6379ed12c
commit 44be07efe6
7 changed files with 782 additions and 16 deletions
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4
AdvendOfCode.Runner/Program.cs
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@ -4,12 +4,12 @@ using AdventOfCode.Core;
InputReader inputReader = new()
{
IsDebug = true
//IsDebug = true
};
//inputReader.SetInputByChallange(12);
IChallange challange = new Day17(inputReader);
IChallange challange = new Day18(inputReader);
Console.WriteLine($"Part 1: {await challange.GetSolutionPart1()}");

17
AdventOfCode.Core/Shared/Grid/PointHelpers.cs Normal file
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@ -0,0 +1,17 @@
namespace AdventOfCode.Core.Shared.Grid
{
public static class PointHelpers
{
public static Point MoveUp(this Point point) =>new (point.X, point.Y - 1, point.Value);
public static Point MoveDown(this Point point) => new(point.X, point.Y + 1, point.Value);
public static Point MoveLeft(this Point point) => new(point.X - 1, point.Y, point.Value);
public static Point MoveRight(this Point point) => new(point.X + 1, point.Y, point.Value);
public static Point MoveUp(this Point point, long toMove) => new(point.X, point.Y - toMove, point.Value);
public static Point MoveDown(this Point point, long toMove) => new(point.X, point.Y + toMove, point.Value);
public static Point MoveLeft(this Point point, long toMove) => new(point.X - toMove, point.Y, point.Value);
public static Point MoveRight(this Point point, long toMove) => new(point.X + toMove, point.Y, point.Value);
}
}

66
AdventOfCode.Solutions/2023/Day 18/Day18.cs Normal file
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@ -0,0 +1,66 @@
namespace AdventOfCode.Solutions._2023
{
public class Day18(InputReader reader) : IChallange
{
private InputReader _inputReader = reader;
public async Task<string> GetSolutionPart1()
{
Point digger = new (0, 0);
ISet<Point> set = new HashSet<Point>() { digger };
await foreach(string instructions in _inputReader.ReadAsStringLine())
{
string[] todo = instructions.Split(' ');
int length = int.Parse(todo[1]);
for(int i = 0; i < length; i++)
{
switch(todo[0])
{
case "U": digger = digger.MoveUp(); break;
case "D": digger = digger.MoveDown(); break;
case "L": digger = digger.MoveLeft(); break;
case "R": digger = digger.MoveRight(); break;
}
set.Add(digger);
}
}
int total = set.Count;
int movedOver = 0;
char prev = '.';
for(int row = 0; row <= set.Max(d => d.Y); row++)
{
for(int column = 0; column <= set.Max(d => d.X); column++)
{
if (!set.Add(new(column, row)))
{
if (prev != '#')
movedOver++;
prev = '#';
continue;
}
if (movedOver % 2 == 1)
{
prev = '.';
total++;
}
}
movedOver = 0;
prev = '.';
}
return total.ToString();
}
public async Task<string> GetSolutionPart2()
{
return string.Empty;
}
}
}

678
AdventOfCode.Solutions/2023/Day 18/day-18-input.txt Normal file
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@ -0,0 +1,678 @@
R 6 (#0e4c90)
U 2 (#5b83a3)
R 7 (#1a3a90)
U 2 (#64e9b1)
R 8 (#27d840)
D 7 (#069321)
R 3 (#08be10)
D 8 (#0cb9c3)
R 7 (#372230)
U 5 (#0cb9c1)
L 4 (#3474a0)
U 4 (#069323)
R 4 (#1c9780)
U 6 (#64e9b3)
R 5 (#013fd0)
U 3 (#4370b3)
L 4 (#34d160)
U 3 (#1aa763)
R 6 (#42e460)
U 7 (#3fe1a3)
R 6 (#1aac50)
U 3 (#564173)
R 5 (#281990)
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L 7 (#0fdfe0)
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L 4 (#205c00)
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L 6 (#38a3a0)
D 9 (#1d7ee3)
L 9 (#38a3a2)
U 7 (#247a93)
L 4 (#2d4112)
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L 7 (#523732)
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R 4 (#34d352)
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3
AdventOfCode.Solutions/AdventOfCode.Solutions.csproj
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@ -12,6 +12,9 @@
</ItemGroup>
<ItemGroup>
<Compile Update="2023\Day 18\Day18.cs">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</Compile>
<Compile Update="2023\Day 17\Day17.cs">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</Compile>

3
AdventOfCode.Solutions/Usings.cs
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@ -1,2 +1,3 @@
global using AdventOfCode.Core;
global using AdventOfCode.Core.Shared;
global using AdventOfCode.Core.Shared;
global using AdventOfCode.Core.Shared.Grid;

27
AdventOfCode.Solutions/day-00-input.txt
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@ -1,13 +1,14 @@
2413432311323
3215453535623
3255245654254
3446585845452
4546657867536
1438598798454
4457876987766
3637877979653
4654967986887
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1224686865563
2546548887735
4322674655533
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R 2 (#7807d2)
U 3 (#a77fa3)
L 2 (#015232)
U 2 (#7a21e3)