# Interview Questions asked in Hcl

##### Height Of A Binary Tree EASY

Given a binary tree, calculate the height of the tree

Binary Tree Recursion##### Boundary Traversal Of Binary Tree EASY

Perform boundary trversal on a given binary tree.

Binary Tree Recursion##### Breadth First Search On Binary Tree EASY

Perform breadth first seach on a given binary tree.

Binary Tree Queue##### Depth First Search On Binary Tree EASY

Perform depth first seach on a given binary tree.

Binary Tree Recursion##### Search In A Sorted Array EASY

Given a sorted array of integers, check if given key is present in it?

Array##### Reverse A Linked List EASY

Given a linked list, reverse the direction of nodes in the list.

Linked List Recursion##### Deletion In Binary Search Tree MEDIUM

Delete a node from BST (Binary Search Tree) such that the resultant tree is also a BST.

Binary Tree Recursion##### Detect And Remove Loop From A Linked List MEDIUM

Given a linked list, check if it has a loop. If yes, remove the loop.

Linked List##### Time Difference Problem MEDIUM

Given two time values, generate the time difference string.

Misc String##### Search In A Rotated Sorted Array MEDIUM

Given a sorted array of integers rotated k times, check if given key is present in it?

Array Binary Search