We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  • Practice
  • Certification
  • Compete
  • Career Fair
  • Hiring developers?
  1. Practice
  2. Algorithms
  3. Implementation
  4. Circular Array Rotation
  5. Discussions

Circular Array Rotation

Problem
Submissions
Leaderboard
Discussions
Editorial

    You are viewing a single comment's thread. Return to all comments →

  • michaelteter 2 years ago+ 0 comments

    Wow. The core of the solution is two lines in Ruby (or one line if you don't mind calling a.length three times).

    len = a.length
    queries.collect { |i| a[((len - k) % len + i) % len] }
    

    It may be possible to simplify my expression, but I wasn't able to see how to reduce it.

    0|
    ParentPermalink
  • Contest Calendar
  • Blog
  • Scoring
  • Environment
  • FAQ
  • About Us
  • Support
  • Careers
  • Terms Of Service
  • Privacy Policy
  • Request a Feature