Computer ScienceFree with an account

Bugs

Points at likely bugs. You still run the code.

Works on your phone and your computer. Nothing to install.

Bugs on a phone

See it in action

Bugs on a computer, with example data

What you can do

  • Likely bugs and why
  • It does not claim to compile the code
  • Written for you instantly, then yours to edit

How it works

  1. 1Paste the code and, if you have it, the error message.
  2. 2Read what the error means and the likely problems, with line numbers.
  3. 3Fix one thing at a time and test it yourself.

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