/
day22.php
59 lines (56 loc) · 1.31 KB
/
day22.php
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<?php
class Node{
public $left,$right;
public $data;
function __construct($data)
{
$this->left=$this->right=null;
$this->data = $data;
}
}
class Solution{
public function insert($root,$data){
if($root==null){
return new Node($data);
}
else{
if($data<=$root->data){
$cur=$this->insert($root->left,$data);
$root->left=$cur;
}
else{
$cur=$this->insert($root->right,$data);
$root->right=$cur;
}
return $root;
}
}
public function getHeight($root)
{
//find the height of the right sub tree
if($root->right!=NULL){
$nodesR =$this->getHeight($root->right)+1;
}
//find the height of the left sub tree
if($root->left!=NULL){
$nodesL = $this->getHeight($root->left)+1;
}
//Return largest value (height)
if($nodesR >= $nodesL){
return $nodesR;
}
else{
return $nodesL;
}
}
}//End of Solution
$myTree=new Solution();
$root=null;
$T=intval(fgets(STDIN));
while($T-->0){
$data=intval(fgets(STDIN));
$root=$myTree->insert($root,$data);
}
$height=$myTree->getHeight($root);
echo $height;
?>