private BoltNode assembleTree(List<Nut> nuts, List<Bolt> bolts)
{
// Termination condition
if (nuts.Count == 0)
return null;
if (nuts.Count == 1)
{
return new BoltNode(bolts[0], nuts[0]);
}
Bolt pivotBolt = bolts[0];
Nut pivotNut = nuts.Where(nut => nut.Size == pivotBolt.Size).ToArray()[0];
nuts.Remove(pivotNut);
bolts.Remove(pivotBolt);
List<Nut> smallerNuts = nuts.Where(nut => nut.Size < pivotBolt.Size).ToList();
List<Nut> largerNuts = nuts.Where(nut => nut.Size > pivotBolt.Size).ToList();
List<Bolt> smallerBolts = bolts.Where(bolt => bolt.Size < pivotNut.Size).ToList();
List<Bolt> largerBolts = bolts.Where(bolt => bolt.Size > pivotNut.Size).ToList();
BoltNode node = new BoltNode(pivotBolt, pivotNut);
node.left = assembleTree(smallerNuts, smallerBolts);
node.right = assembleTree(largerNuts, largerBolts);
return node;
}
private void printTree(BoltNode node)
{
if (node != null)
{
printTree(node.left);
Console.WriteLine(node.bolt.ToString() + " " + node.nut.ToString());
printTree(node.right);
}
}