public void SolveTest()
{
var rootNode = new BinaryTreeNode(8,
new BinaryTreeNode(6,
new BinaryTreeNode(5),
new BinaryTreeNode(7)),
new BinaryTreeNode(10,
new BinaryTreeNode(9),
new BinaryTreeNode(11)));
string solution = Problem012.Solve(rootNode);
Assert.AreEqual("8 6 10 5 7 9 11", solution);
}
public void IsCorrectProblem012()
{
var problem = new Problem012();
Assert.Equal(Answers["12"], problem.Solve());
}