private static Result FindPath(tree node){ //find the number of nodes on the longest path
if (node == null) //handle edge case
return new Result (0, 0, 0);
Result leftResult = FindPath (node.l);
Result rightResult = FindPath (node.r);
int leftLength = leftResult.leftLength + 1;
int rightLength = rightResult.rightLength + 1;
int maxLength = Math.Max (Math.Max (leftLength, rightLength),
Math.Max (leftResult.maxLength, rightResult.maxLength));
return new Result (leftLength, rightLength, maxLength);
}
private static Result FindPath(tree node) //find the number of nodes on the longest path
{
if (node == null) //handle edge case
{
return(new Result(0, 0, 0));
}
Result leftResult = FindPath(node.l);
Result rightResult = FindPath(node.r);
int leftLength = leftResult.leftLength + 1;
int rightLength = rightResult.rightLength + 1;
int maxLength = Math.Max(Math.Max(leftLength, rightLength),
Math.Max(leftResult.maxLength, rightResult.maxLength));
return(new Result(leftLength, rightLength, maxLength));
}
public static void Main(string[] args)
{
tree node1 = new tree(5);
tree node2 = new tree(2);
tree node3 = new tree(15);
tree node4 = new tree(10);
tree node5 = new tree(6);
tree node6 = new tree(14);
node1.l = node2;
node1.r = node3;
node3.l = node4;
node4.l = node5;
node4.r = node6;
Console.WriteLine(Finder.FindLongestPath(node1)); //2
}
public static void Main (string[] args)
{
tree node1 = new tree (5);
tree node2 = new tree (2);
tree node3 = new tree (15);
tree node4 = new tree (10);
tree node5 = new tree (6);
tree node6 = new tree (14);
node1.l = node2;
node1.r = node3;
node3.l = node4;
node4.l = node5;
node4.r = node6;
Console.WriteLine (Finder.FindLongestPath (node1)); //2
}
public static int FindLongestPath(tree root){
Result result = FindPath (root);
return result.maxLength-1; //length of path is the number of nodes minus 1, do not forget this!
}
public tree(int x){ //for test use only
this.x = x;
this.l = null;
this.r = null;
}
public static int FindLongestPath(tree root)
{
Result result = FindPath(root);
return(result.maxLength - 1); //length of path is the number of nodes minus 1, do not forget this!
}
public tree(int x) //for test use only
{
this.x = x;
this.l = null;
this.r = null;
}
