Given two numbers represented by linked lists. Your task is to find the multiplied list and return the head of the multiplied list.

The multiplied list is a ...

You are given a Binary Tree. You are supposed to return the length of the diameter of the tree.

The diameter of a binary tree is the length of the longest path between any two end no...

Given two numbers represented by linked lists. Your task is find the sum list and return the head of the sum list.

The sum list is a linked list representation of addition of two numbers.

You are Harshad Mehta’s friend. He told you the price of a particular stock for the next ‘N’ days. You ca...

Given a binary tree. You need to check if it is a height-balanced binary tree.

Height of a tree is the maximum number of nodes in a path from the node to the leaf node.

You are given an arbitrary binary tree consisting of N nodes where each node is associated with a certain integer value from 1 to 9. Consider each root to leaf path as a number.

For exampl...

You are given an array/list of ‘N’ integers. You are supposed to return the maximum sum of the subsequence with the constraint that no two elements are adjacent in the given array/list.

Not...

You have been given a singly Linked List in the form of 'L1' -> 'L2' -> 'L3' -> ... 'Ln'. Your task is to r...

Bob lives with his wife in a city named Berland. Bob is a good husband, so he goes out with his wife every Friday to ‘Arcade’ mall.

You are given an integer 'N'. For a given 'N' x 'N' chessboard, find a way to place 'N' queens such that no queen can attack any other queen on the chessboard.

You are given a binary tree consisting of integer values. Your task is to convert the given binary tree into a linked list where the nodes of the linked list fo...