public void LookForCycle(long expected, int sample)
{
var state = GetSample(sample)
.Select(moon => (pos: moon, vel: Point3D.Zero));
var xCyle = state.FindCycle(p => p.X);
var yCyle = state.FindCycle(p => p.Y);
var zCyle = state.FindCycle(p => p.Z);
var actual = NBodyProblem.lcm(
NBodyProblem.lcm(xCyle, yCyle),
zCyle);
Assert.Equal(expected, actual);
}
public void PuzzleTwo()
{
var input = File.ReadLines("tests/y2019/Day12.Input.txt")
.GetMoonPositions()
.Select(moon => (pos: moon, vel: Point3D.Zero));
var xCyle = input.FindCycle(p => p.X);
var yCyle = input.FindCycle(p => p.Y);
var zCyle = input.FindCycle(p => p.Z);
var actual = NBodyProblem.lcm(
NBodyProblem.lcm(xCyle, yCyle),
zCyle);
Assert.Equal(496734501382552, actual);
}