public FloorReturn SolveFloor(int[] floor, int start = -1)
{
var result = new FloorReturn();
if (start >= 0)
{
result.StartPosition = start;
}
else
{
if (floor.Contains(2))
{
result.StartPosition = Array.IndexOf(floor, 2);
}
else
{
result.StepCount = 0;
return(result);
}
}
var stairIndex = Array.IndexOf(floor, 1);
if (stairIndex < 0)
{
stairIndex = floor.Length - 1;
}
result.Direction = stairIndex < result.StartPosition ? Direction.Left : Direction.Right;
result.StepCount = Math.Abs(stairIndex - result.StartPosition);
result.StartPosition = stairIndex;
return(result);
}
public void SolveFloorTest3()
{
int[] floor = new int[] { 0, 2, 0, 0, 0 };
var floorReturn = _sut.SolveFloor(floor);
FloorReturn result = new FloorReturn()
{
Direction = Direction.Right, StartPosition = 4, StepCount = 3
};
Assert.AreEqual(result, _sut.SolveFloor(floor));
}
public string[] GetFinalResult(List <FloorReturn> list)
{
FloorReturn previous = null;
List <string> finalResult = new List <string>();
foreach (var result in list)
{
if (previous == null)
{
finalResult.Add((result.Direction == Direction.Left ? "L" : "R") + result.StepCount);
}
else
{
}
previous = result;
}
return(finalResult.ToArray());
}
