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Commit ca8d0296 authored by Horváth Zoltán's avatar Horváth Zoltán
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Day3

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AoC3/AoC3.sln 0 → 100644
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View file @ ca8d0296

Microsoft Visual Studio Solution File, Format Version 12.00
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AoC3", "AoC3\AoC3.csproj", "{B7DDA516-3FAA-4F1E-AFA5-D74152B4FB93}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{B7DDA516-3FAA-4F1E-AFA5-D74152B4FB93}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{B7DDA516-3FAA-4F1E-AFA5-D74152B4FB93}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B7DDA516-3FAA-4F1E-AFA5-D74152B4FB93}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B7DDA516-3FAA-4F1E-AFA5-D74152B4FB93}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
EndGlobal
AoC3/AoC3/AoC3.csproj 0 → 100644
+ 16
− 0
View file @ ca8d0296
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<None Update="input.txt">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
</ItemGroup>
</Project>
AoC3/AoC3/Program.cs 0 → 100644
+ 106
− 0
View file @ ca8d0296
using System.Text;
namespace AoC3;
public static class StringExtensions
{
public static char SetAsAlreadyRead(char character) => (char)(character | 0b1000_0000);
public static char SetAsNotRead(char character) => (char)(character & 0b0111_1111);
public static int GetNumberAroundCoordinates(int x, List<char> line)
{
int number = 0;
int xStart = x;
while (xStart >= 0)
{
char ch = line[xStart];
if(!char.IsDigit(ch)) break;
xStart--;
}
xStart++;
StringBuilder sbNumber = new();
for (int i = xStart; i < line.Count; i++)
{
char ch = line[i];
if (!char.IsDigit(ch)) break;
sbNumber.Append(ch);
line[i] = '.';
}
string sNumber = sbNumber.ToString();
number = int.Parse(sNumber);
return number;
}
public static List<int> GetGoodNumbers(this List<List<char>> wholeFile,
Func<char, bool> shouldJump,
Func<List<int>, bool> insertionPredicate,
Func<List<int>, List<int>>? modifyGoodNumbers)
{
List<int> numbers = new();
for (int y = 0; y < wholeFile.Count; y++)
{
List<char> line = wholeFile[y];
for (int x = 0; x < line.Count; x++)
{
char ch = line[x];
if(shouldJump(ch)) continue;
int yStart = Math.Max(y - 1, 0);
int xStart = Math.Max(x - 1, 0);
int yEnd = Math.Min(y + 1, wholeFile.Count - 1);
int xEnd = Math.Min(x + 1, line.Count - 1);
List<int> goodNumbers = new();
for (int i = yStart; i <= yEnd; i++)
{
for (int j = xStart; j <= xEnd; j++)
{
char c = wholeFile[i][j];
if (char.IsDigit(c))
goodNumbers.Add(GetNumberAroundCoordinates(j, wholeFile[i]));
}
}
if(insertionPredicate(goodNumbers))
numbers.AddRange(modifyGoodNumbers?.Invoke(goodNumbers) ?? goodNumbers);
else
{
for (int i = yStart; i <= yEnd; i++)
{
for (int j = xStart; j <= xEnd; j++)
{
SetAsNotRead(wholeFile[j][i]);
}
}
}
}
}
return numbers;
}
}
public static class Program
{
public static void Main(string[] args)
{
var lines = File.ReadAllLines("input.txt");
List<int> goodNumbers = lines
.Select(line =>
line.Select(ch => ch).ToList())
.ToList()
.GetGoodNumbers(ch => char.IsDigit(ch) || ch == '.', _ => true, null);
Console.WriteLine(goodNumbers.Sum());
goodNumbers = lines
.Select(line =>
line.Select(ch => ch).ToList())
.ToList()
.GetGoodNumbers(
ch => char.IsDigit(ch) || ch == '.',
gNs => gNs.Count == 2, ints => new(){ ints[0] * ints[1] });
Console.WriteLine(goodNumbers.Sum());
}
}
\ No newline at end of file
AoC3/AoC3/input.txt 0 → 100644
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− 0
View file @ ca8d0296
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....&.......#..............574........................................................503.723*......$.....-...527...*.......*.683....249.395
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164*....18..753............/..*............................96.......................316........382........946...685.........455.............
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........742.....................554...148..........812....*.........+..........727....875......#........./.........857.875...........*......
...611...........150*693...164....+........................636..327.73................................329...............*....25....747.942..
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.........$..............#..817..424*89...&.117......../.....2..243.....................................279*143..866..458............623.170.
.....301.......199...871..........................728......-.......742.252...876......./192........................................@........
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....786....*.....................#.................272..................133....653.........82..................554................*156......
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...*............498....754......*......562....262........668................781................*.....*621.........115.....249...............
....470......@........*......75.227......*...*...............57+........769....+....-.......839...968.....876......*..............491.......
..........807..297..305..883..........470...505.....245...........682......*......415....................*.........982...........&.....180..
................*...........*.............$.........*.......205......*135.......................%.....286..............418.............$....
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......130..932.180.......*......143.........../..............*.......*..........&..149....301................................-...77.........
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....511...............995#..-........&.................462.............-.601...931....889.&52.............................................27
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..............156.953...........$........$.....................695.329..................=.............836..176..128....864..216#....*.......
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........17...............................159..........377=....659..........725....$......*........$...971.........907.766...................
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...832..383...287.........................216....103...........710..................958...................288...............................
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