//Normalizes this vector
public void Normalize()
{
Vecthor vectorNormalized = Normalized();
x = vectorNormalized.x;
y = vectorNormalized.y;
}
// Returns a new vector equal to this vector normalized
public Vecthor Normalized()
{
// a^2 + b^2 = c^2
double length = Math.Sqrt(x * x + y * y);
Vecthor returnVector = this;
returnVector.x = x / length;
returnVector.y = y / length;
return(returnVector);
}
static void Mmain(string[] args)
{
//Create all normalized vector for each cardinal direction
List <Vecthor> directionList = new List <Vecthor>()
{
{ new Vecthor(0, 1, "S") },
{ new Vecthor(1, 1, "SE") },
{ new Vecthor(-1, 1, "SW") },
{ new Vecthor(0, -1, "N") },
{ new Vecthor(1, -1, "NE") },
{ new Vecthor(-1, -1, "NW") },
{ new Vecthor(1, 0, "E") },
{ new Vecthor(-1, 0, "W") },
};
string[] inputs = Console.ReadLine().Split(' ');
int lightX = int.Parse(inputs[0]); // the X position of the light of power
int lightY = int.Parse(inputs[1]); // the Y position of the light of power
int initialTX = int.Parse(inputs[2]); // Thor's starting X position
int initialTY = int.Parse(inputs[3]); // Thor's starting Y position
Vecthor thorPosition = new Vecthor(initialTX, initialTY);
Vecthor lightPosition = new Vecthor(lightX, lightY);
// game loop
while (true)
{
int remainingTurns = int.Parse(Console.ReadLine()); // The remaining amount of turns Thor can move. Do not remove this line.
// Write an action using Console.WriteLine()
// To debug: Console.Error.WriteLine("Debug messages...");
//Get Direction to Thor (normalized Distance vector) and Round for floating point imprecision
Vecthor normalizedDistance = Vecthor.GetDistance(thorPosition, lightPosition).Normalized();
normalizedDistance.x = Math.Round(normalizedDistance.x);
normalizedDistance.y = Math.Round(normalizedDistance.y);
//Console.Error.WriteLine("Norm Distance: " + normalizedDistance.ToString());
//directionList.ForEach(x => Console.Error.WriteLine(x.ToString()));
//Find the vector that corresponds to the normalized direction we want to move Thor in
Vecthor finalDirection = directionList.Find(x => x.x == normalizedDistance.x && x.y == normalizedDistance.y);
// A single line providing the move to be made: N NE E SE S SW W or NW
//Output the cardinal direction set in that vector
Console.WriteLine(finalDirection.m_cardinalDirection);
//move Thor in the chosen direction
thorPosition = thorPosition + finalDirection;
}
}
//returns vector from initial to final
public static Vecthor GetDistance(Vecthor _initial, Vecthor _final)
{
return(_final - _initial);
}
