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aoc2019
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day 11
continuous-integration/drone/push Build is passing Details

This commit is contained in:
Ben Harris 2019-12-11 23:47:39 -05:00
parent ddb972d58f
commit c48d5e9905
3 changed files with 77 additions and 31 deletions
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80
Day11.cs
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@ -1,8 +1,9 @@
using aoc2019.lib;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
namespace aoc2019
{
@ -10,17 +11,13 @@ namespace aoc2019
{
public override int DayNumber => 11;
private IntCodeVM vm;
List<List<bool>> paintmap;
long x, y;
Direction heading;
private readonly IntCodeVM vm;
private long x, y;
private Direction heading;
public Day11()
{
vm = new IntCodeVM(Input.First());
paintmap = new List<List<bool>>();
x = 0; y = 0;
heading = Direction.Up;
}
enum Direction
@ -28,14 +25,14 @@ namespace aoc2019
Up, Down, Left, Right
}
private (long, long) DxDy()
private void Move()
{
return heading switch
switch (heading)
{
Direction.Up => (0, 1),
Direction.Down => (0, -1),
Direction.Left => (-1, 0),
Direction.Right => (1, 0)
case Direction.Up: y++; break;
case Direction.Down: y--; break;
case Direction.Left: x--; break;
case Direction.Right: x++; break;
};
}
@ -43,33 +40,54 @@ namespace aoc2019
{
switch (heading)
{
case Direction.Up: heading = direction == 0 ? Direction.Left : Direction.Right; break;
case Direction.Down: heading = direction == 0 ? Direction.Right : Direction.Left; break;
case Direction.Left: heading = direction == 0 ? Direction.Down : Direction.Up; break;
case Direction.Up: heading = direction == 0 ? Direction.Left : Direction.Right; break;
case Direction.Down: heading = direction == 0 ? Direction.Right : Direction.Left; break;
case Direction.Left: heading = direction == 0 ? Direction.Down : Direction.Up; break;
case Direction.Right: heading = direction == 0 ? Direction.Up : Direction.Down; break;
}
Move();
}
private Dictionary<(long x, long y), long> PaintShip(int initialVal)
{
var map = new Dictionary<(long, long), long>();
vm.Reset();
heading = Direction.Up;
x = 0; y = 0;
map[(x, y)] = initialVal;
var haltType = IntCodeVM.HaltType.Waiting;
while (haltType == IntCodeVM.HaltType.Waiting)
{
haltType = vm.Run(map.GetValueOrDefault((x, y)));
map[(x, y)] = vm.Result;
Turn(vm.Result);
}
return map;
}
public override string Part1()
{
vm.Reset();
vm.Run();
var output = vm.output.ToList();
long dx, dy;
for (var i = 0; i < output.Count; i += 2)
{
long color = output[i];
Turn(output[i + 1]);
paintmap[x][y] = color == 0;
(dx, dy) = DxDy();
x += dx; y += dy;
}
return $"{paintmap.Count(x => x != null)}";
return $"{PaintShip(0).Count}";
}
public override string Part2()
{
return "";
var map = PaintShip(1);
int minX = (int)map.Keys.Select(x => x.x).Min();
int maxX = (int)map.Keys.Select(x => x.x).Max();
int minY = (int)map.Keys.Select(x => x.y).Min();
int maxY = (int)map.Keys.Select(x => x.y).Max();
return Enumerable.Range(minY, maxY - minY + 1)
.Select(y =>
Enumerable.Range(minX, maxX - minX + 1)
.Select(x => map.GetValueOrDefault((x, y)) == 0 ? ' ' : '#')
.ToDelimitedString()
)
.Reverse()
.ToDelimitedString(Environment.NewLine);
}
}
}

3
aoc2019.csproj
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@ -9,6 +9,9 @@
<None Update="input\day1.in">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="input\day11.in">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="input\day2.in">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>

25
aoc2019.sln Normal file
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@ -0,0 +1,25 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.29519.181
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "aoc2019", "aoc2019.csproj", "{0F1DADD9-2DC3-4035-BE2A-1CC9BBB623A9}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{0F1DADD9-2DC3-4035-BE2A-1CC9BBB623A9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{0F1DADD9-2DC3-4035-BE2A-1CC9BBB623A9}.Debug|Any CPU.Build.0 = Debug|Any CPU
{0F1DADD9-2DC3-4035-BE2A-1CC9BBB623A9}.Release|Any CPU.ActiveCfg = Release|Any CPU
{0F1DADD9-2DC3-4035-BE2A-1CC9BBB623A9}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {BBA89C41-4703-4C98-A8EC-54957C0E673E}
EndGlobalSection
EndGlobal