public void LevelOrderBottomTest()
{
int?[] treeNodes = new int?[] { 3, 9, 20, null, null, 15, 7 };
TreeNode root = Helper.BuildTreeFromLevelOrderArray(treeNodes, 0);
var output = BinaryTreeLevelOrderTraversalII.LevelOrderBottom(root);
foreach (var n in output)
{
foreach (var x in n)
{
System.Console.Write("{0} ", x);
}
System.Console.WriteLine();
}
}
public void BeforeEach()
{
BinaryTreeLevelOrderTraversalII = new BinaryTreeLevelOrderTraversalII();
}
