Coding for Interviews practice problems

Hands-on practice problems from Coding for Interviews

Speed . Accuracy . Efficiency


  • All the challenges will have a predetermined score. Score of a game is calculated using Bayesian Approximation
  • This contest will appeal to programmers who're interested in interesting algorithmic challenges, AI challenges and of course general programming
  • HackerRank admins decision will be final
  • Please refrain from discussing strategy during the contest.
  • Any case of code plagiarism will result in disqualification of both the users from the contest. We've a fairly good plagiarism detector that works at the opcode level.
  • You can code directly on our interface. We support 20 major languages. You can have a look at the environment in which we run your code