Training task

Task name:

120 minutes for 1 task

Your browser is
not supported

We have detected that you are using the Unknown 0 browser which is not supported by our IDE. Please make sure you use one of supported browser versions from the list below:

  • Chrome 57 +
  • Firefox 45 +
  • Microsoft Internet Explorer 11
  • MSEdge 16 +
  • Opera 44 +
  • Safari 11

You may proceed with your test but you do so at your own risk.

Sign up to start the Challenge

Sign up to track your progress, lesson results, and challenge achievements
Create Codility account or Log in with an existing one

Are you ready?

© 2009–2019 Codility Ltd., registered in England and Wales (No. 7048726). VAT ID GB981191408. Registered office: 107 Cheapside, London EC2V 6DN