class Node{

  constructor(value){

    this.value = value

    this.left = null

    this.right = null

  }

}

function height(tnode)

{

    if(tnode == null)

        return 0

    return 1 + Math.max(height(tnode.left), height(tnode.right))

}

function diameter_maxdepth(root_node){

  //Enter your code here

}

​

​

tree1 = new Node(1)

tree1.left = new Node(2)

tree1.right = new Node(3)

tree1.left.left = new Node(4)

tree1.left.right = new Node(5)

​

​

tree2 = new Node(1)