public void TestSculptureRotation()
{
KineticSculpture sculpture = new KineticSculpture();
sculpture.InitialiseDisc(1, 5, 4);
sculpture.InitialiseDisc(2, 2, 1);
sculpture.Rotate();
Assert.AreEqual(0, sculpture.Discs[0].CurrentPosition);
Assert.AreEqual(0, sculpture.Discs[1].CurrentPosition);
}
private static void InitSculpture(string input, KineticSculpture sculpture)
{
int discCounter = 0;
foreach (string instruction in input.Split(Environment.NewLine.ToCharArray(),
StringSplitOptions.RemoveEmptyEntries))
{
discCounter++;
// e.g. "Disc #1 has 5 positions; at time=0, it is at position 4"
string[] instructionPortions = instruction.Split(' ');
int positions = Convert.ToInt32(instructionPortions[3]);
int currentPosition = Convert.ToInt32(instructionPortions[11]);
sculpture.InitialiseDisc(discCounter, positions, currentPosition);
}
}
public void TestSculptureSolution()
{
KineticSculpture sculpture = new KineticSculpture();
sculpture.InitialiseDisc(1, 5, 4);
sculpture.InitialiseDisc(2, 2, 1);
for (int i = 0; i < 5; i++)
{
if (sculpture.CurrentPositionSolvesPuzzle())
{
throw new ApplicationException("Should not solve before 5");
}
sculpture.Rotate();
}
Assert.IsTrue(sculpture.CurrentPositionSolvesPuzzle());
}
public int SolvePuzzle(string input)
{
KineticSculpture sculpture = new KineticSculpture();
InitSculpture(input, sculpture);
int time = 0;
while (true)
{
if (sculpture.CurrentPositionSolvesPuzzle())
{
return(time);
}
time++;
sculpture.Rotate();
}
}
public int SolvePuzzlePart2(string input)
{
KineticSculpture sculpture = new KineticSculpture();
InitSculpture(input, sculpture);
sculpture.InitialiseDisc(sculpture.Discs.Count + 1, 11, 0);
int time = 0;
while (true)
{
if (sculpture.CurrentPositionSolvesPuzzle())
{
return(time);
}
time++;
sculpture.Rotate();
}
}
