Interview Questions

Follow Us! We publish exclusive firsthand interview questions!
Airbnb Coding Interview Questions
Google Coding Interview Questions
Facebook Coding Interview Questions
Amazon Coding Interview Questions
Linkedin Coding Interview Questions
Uber Coding Interview Questions



Online Judege Demo. Currently support Python and Java.

Given a BST, and an integer k, cut the BST vertically into two substrees A and B, where all nodes in

A pizza shop offers n pizzas along with m toppings. A customer plans to spend around x coins. The cu

Given a binary tree and a list of nodes say [n1, n2, .. nk], write a program to find the least comm

You are given a huge number of IPs in a list. Remove all duplicated addresses from the list.

Given an int n, return all possible representations of n in Fibonacci base.

Design and implement the Least Recently Used Cache with TTL(Time To Live)

Given a String, find the minimum number of deletions required to convert it into a palindrome.

Given an array of numbers, remove the increasing sequences until there is no change.

Given an integer n, return the representations in Fibonacci base for the integer from 1 to n.

Given a binary grid where 0 represents water and 1 represents land. An island is surrounded by water

Normal palindrome is defined as a string that reads the same backwards as forwards, for example "abc

Given an input string representing one word, write a method that returns the start and end indices o

Given an integer N which represents number of edges, where bases are always 2.Find how many trapezoi

Given an array return an integer indicating the minimum number of swap operations required to sort t