private PyramidNode BuildPyramidStructure(int[][] pyramid)
{
PyramidNode[][] pyramidNodes = new PyramidNode[pyramid.Length][];
// We build the nodes
for (int i = 0; i < pyramid.Length; i++)
{
pyramidNodes[i] = new PyramidNode[pyramid[i].Length];
for (int j = 0; j < pyramid[i].Length; j++)
{
pyramidNodes[i][j] = new PyramidNode(pyramid[i][j]);
}
}
// We tie them together (based on original structure)
for (int i = 0; i < pyramid.Length - 1; i++) // We doen't go all the way to the bottom, the values are caught in the line before
{
for (int j = 0; j < pyramid[i].Length; j++)
{
pyramidNodes[i][j].Children = new PyramidNode[] { pyramidNodes[i + 1][j], pyramidNodes[i + 1][j + 1] }; // Catching PyramidsNodes a level below
}
}
return(pyramidNodes[0][0]); // TopNode
}
private void FindMaxPath(PyramidNode pyramidNode)
{
if (pyramidNode.Children == null) // We are at the end - store the result
{
FoundPaths.Add(new PyramidNode(pyramidNode.Value)
{
Path = pyramidNode.Path, Total = pyramidNode.Total
});
}
else
{
foreach (var pyramidNodeChild in pyramidNode.Children)
{
if (pyramidNode.Value % 2 == 0) // We have equal and are looking for odd
{
if (pyramidNodeChild.Value % 2 == 0)
{
continue;
}
}
else
{ // Odd
if (pyramidNodeChild.Value % 2 != 0) // Also odd
{
continue;
}
}
if (pyramidNode.Path == null)
{
pyramidNode.Total = pyramidNode.Value;
pyramidNode.Path = pyramidNode.Value.ToString();
}
pyramidNodeChild.Total = pyramidNode.Total + pyramidNodeChild.Value;
pyramidNodeChild.Path = $"{pyramidNode.Path};{pyramidNodeChild.Value}";
FindMaxPath(pyramidNodeChild);
}
}
}
