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4,310 interview questions, answered.

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57 questions

  1. 49Determine if a given binary tree is a binary search tree (BST).MediumCoding· Adobe, Google
  2. 50Edit distanceHardCoding· Adobe, Amazon
  3. 51Fibonacci NumbersEasyCoding· Adobe, Google
  4. 52Given an array, find the two sum.EasyCoding· Adobe, Amazon
  5. 53Given an nxn grid of 1s and 0s, return the number of islands in the input.MediumCoding· Adobe, Amazon
  6. 54Write a function to return all prime numbers up to a given number n.MediumCoding· Adobe, Apple
  7. 55Reverse a SentenceEasyCoding· Adobe, Apple
  8. 56Reverse a linked list.EasyCoding· Adobe, Apple
  9. 57Is this a valid palindrome?EasyCoding· Adobe, Apple