static private long RunSpringScript()
{
bool halt = false;
long output = -123;
while (!halt)
{
halt = false;
bool hasOutput = false;
long result = sProgram.GetNextOutput(ref halt, ref hasOutput);
if ((result >= 10) && (result < 255))
{
char c = (char)result;
Console.Write(c);
}
if (hasOutput)
{
output = result;
}
}
return(output);
}
static int FindSantaSquare()
{
bool halt = false;
bool hasOutput = false;
InitMap();
var inputs = new long[2];
int xLeft = 0;
int xRight = -1;
for (int y = 0; y < sMapSize; ++y)
{
bool beamStarted = false;
int beamStartX = -1;
int beamEndX = -1;
for (int x = xLeft; x < sMapSize; ++x)
{
long result;
inputs[0] = x;
inputs[1] = y;
sProgram.Reset();
sProgram.SetInputData(inputs);
result = sProgram.GetNextOutput(ref halt, ref hasOutput);
if (result == 1)
{
if (!beamStarted)
{
sLeftEdge[y] = x;
beamStartX = x;
xLeft = x - 2;
if (xLeft < 0)
{
xLeft = 0;
}
x = xRight;
if (x < beamStartX)
{
x = beamStartX;
}
}
beamStarted = true;
}
else if (beamStarted && (result == 0))
{
sRightEdge[y] = x;
beamEndX = x;
for (int i = beamStartX; i < beamEndX; ++i)
{
sMap[i, y] = '#';
}
xRight = x - 1;
if (xRight < 0)
{
xRight = 0;
}
break;
}
}
if ((beamEndX - beamStartX) >= 100)
{
if (y >= 100)
{
Console.WriteLine($"[{y}] {beamStartX} -> {beamEndX}");
int rightTopEdge = sRightEdge[y - 99];
int leftBottomEdge = sLeftEdge[y];
if ((leftBottomEdge + 99) < rightTopEdge)
{
return(y);
}
}
}
}
return(-1);
}
