public int solution(Tree tree)
{
return(Longest(tree, tree.x, 0));
}
public Tree(int val, Tree l, Tree r)
{
x = val;
this.l = l;
this.r = r;
}
public void getDownAnalysis(Tree tree)
{
string article1 = "", article2 = "";
string noun1 = "", noun2 = "";
string verb = "";
int step = 0;
bool flag = false;
Console.WriteLine("Going-Down Analysis:");
search(tree.sons[0], typeNode.article, ref article1, ref flag);
flag = false;
search(tree, typeNode.noun, ref noun1, ref flag);
flag = false;
search(tree, typeNode.verb, ref verb, ref flag);
flag = false;
search(tree.sons[1], typeNode.article, ref article2, ref flag);
flag = false;
search(tree.sons[1], typeNode.noun, ref noun2, ref flag);
flag = false;
step++;
Console.WriteLine("{0}) sentence => {1} {2} {3} {4} {5}", step, article1, noun1, verb, article2, noun2);
step++;
Console.WriteLine("{0}) subject => {1} {2}", step, article1, noun1);
search(tree.sons[0], typeNode.article, ref article1, ref flag);
if (flag)
{
step++;
Console.WriteLine("{0}) article => {1}", step, article1);
}
flag = false;
step++;
Console.WriteLine("{0}) noun => {1}", step, noun1);
step++;
Console.WriteLine("{0}) predicate => {1} {2} {3}", step, verb, article2, noun2);
step++;
Console.WriteLine("{0}) verb => {1}", step, verb);
step++;
Console.WriteLine("{0}) object => {1} {2}", step, article2, noun2);
search(tree.sons[1], typeNode.article, ref article2, ref flag);
if (flag)
{
step++;
Console.WriteLine("{0}) article => {1}", step, article2);
}
step++;
Console.WriteLine("{0}) noun => {1}", step, noun2);
}