VAR/AdventOfCode
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Day03 part 2

Browse Source
This commit is contained in:
Valeriano A.R.
2018-12-03 18:57:46 +01:00
parent 0ab92fadfb
commit fa81cd2dc4
4 changed files with 106 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
AdventOfCode2018.Tests/Claim_Tests.cs
View File

@@ -12,7 +12,7 @@ namespace AdventOfCode2018.Tests
{
Day03.Claim claim = Day03.Claim.FromString("#123 @ 3,2: 5x4");
Assert.AreEqual("#123", claim.ID);
Assert.AreEqual(123, claim.ID);
Assert.AreEqual(3, claim.Left);
Assert.AreEqual(2, claim.Top);
Assert.AreEqual(5, claim.Width);
@@ -24,7 +24,7 @@ namespace AdventOfCode2018.Tests
{
Day03.Claim claim = Day03.Claim.FromString("#1 @ 1,3: 4x4");
Assert.AreEqual("#1", claim.ID);
Assert.AreEqual(1, claim.ID);
Assert.AreEqual(1, claim.Left);
Assert.AreEqual(3, claim.Top);
Assert.AreEqual(4, claim.Width);
@@ -36,7 +36,7 @@ namespace AdventOfCode2018.Tests
{
Day03.Claim claim = Day03.Claim.FromString("#2 @ 3,1: 4x4");
Assert.AreEqual("#2", claim.ID);
Assert.AreEqual(2, claim.ID);
Assert.AreEqual(3, claim.Left);
Assert.AreEqual(1, claim.Top);
Assert.AreEqual(4, claim.Width);
@@ -48,7 +48,7 @@ namespace AdventOfCode2018.Tests
{
Day03.Claim claim = Day03.Claim.FromString("#3 @ 5,5: 2x2");
Assert.AreEqual("#3", claim.ID);
Assert.AreEqual(3, claim.ID);
Assert.AreEqual(5, claim.Left);
Assert.AreEqual(5, claim.Top);
Assert.AreEqual(2, claim.Width);
@@ -56,5 +56,42 @@ namespace AdventOfCode2018.Tests
}
#endregion FromString
#region Overlaps
[TestMethod()]
public void Overlaps__Test1()
{
Day03.Claim claim1 = Day03.Claim.FromString("#1 @ 1,3: 4x4");
Day03.Claim claim2 = Day03.Claim.FromString("#3 @ 5,5: 2x2");
bool result = Day03.Claim.Overlaps(claim1, claim2);
Assert.AreEqual(false, result);
}
[TestMethod()]
public void Overlaps__Test2()
{
Day03.Claim claim1 = Day03.Claim.FromString("#2 @ 3,1: 4x4");
Day03.Claim claim2 = Day03.Claim.FromString("#3 @ 5,5: 2x2");
bool result = Day03.Claim.Overlaps(claim1, claim2);
Assert.AreEqual(false, result);
}
[TestMethod()]
public void Overlaps__Test3()
{
Day03.Claim claim1 = Day03.Claim.FromString("#1 @ 1,3: 4x4");
Day03.Claim claim2 = Day03.Claim.FromString("#2 @ 3,1: 4x4");
bool result = Day03.Claim.Overlaps(claim1, claim2);
Assert.AreEqual(true, result);
}
#endregion Overlaps
}
}

14
AdventOfCode2018.Tests/Day03_Tests.cs
View File

@@ -18,5 +18,19 @@ namespace AdventOfCode2018.Tests
Assert.AreEqual("4", result);
}
[TestMethod()]
public void ResolveDay03_Part2__Test()
{
Day03 day03 = new Day03();
string result = day03.ResolveDay03_Part2(new string[] {
"#1 @ 1,3: 4x4",
"#2 @ 3,1: 4x4",
"#3 @ 5,5: 2x2",
});
Assert.AreEqual("3", result);
}
}
}

51
AdventOfCode2018/Day03.cs
View File

@@ -95,9 +95,36 @@ namespace AdventOfCode2018
return overlappedArea.ToString();
}
public string ResolveDay03_Part2(string[] inputs)
{
List<Claim> claims = inputs.Select(i => Claim.FromString(i)).ToList();
Claim unoverlappingClaim = null;
for (int i = 0; i < claims.Count; i++)
{
bool overlaps = false;
for (int j = 0; j < claims.Count; j++)
{
if (i == j) { continue; }
if (Claim.Overlaps(claims[i], claims[j]))
{
overlaps = true;
break;
}
}
if (overlaps == false)
{
unoverlappingClaim = claims[i];
break;
}
}
return unoverlappingClaim.ID.ToString();
}
public class Claim
{
public string ID { get; set; }
public int ID { get; set; }
public int Left { get; set; }
public int Top { get; set; }
@@ -120,13 +147,33 @@ namespace AdventOfCode2018
{
Claim claim = new Claim();
string[] parts = strClaim.Split(new string[] { " @ ", ",", ": ", "x", }, StringSplitOptions.None);
claim.ID = parts[0];
claim.ID = Convert.ToInt32(parts[0].Substring(1));
claim.Left = Convert.ToInt32(parts[1]);
claim.Top = Convert.ToInt32(parts[2]);
claim.Width = Convert.ToInt32(parts[3]);
claim.Height = Convert.ToInt32(parts[4]);
return claim;
}
public static bool Overlaps(Claim claim1, Claim claim2)
{
if (claim1.MinX <= claim2.MaxX &&
claim2.MinX <= claim1.MaxX &&
claim1.MinY <= claim2.MaxY &&
claim2.MinY <= claim1.MaxY)
{
int minX = Math.Max(claim1.MinX, claim2.MinX);
int maxX = Math.Min(claim1.MaxX, claim2.MaxX);
int minY = Math.Max(claim1.MinY, claim2.MinY);
int maxY = Math.Min(claim1.MaxY, claim2.MaxY);
int width = maxX - minX;
int height = maxY - minY;
if (width <= 0 || height <= 0) { return false; }
return true;
}
return false;
}
}
}

2
AdventOfCode2018/Program.cs
View File

@@ -38,6 +38,8 @@ namespace AdventOfCode2018
string[] linesDay03 = File.ReadAllLines("inputs/Day03.txt");
string resultDay03 = day03.ResolveDay03(linesDay03);
Console.WriteLine("Day03 Result: {0}", resultDay03);
string resultDay03Part2 = day03.ResolveDay03_Part2(linesDay03);
Console.WriteLine("Day03_Part2 Result: {0}", resultDay03Part2);
}
Console.Read();