The Pierre Elliott Trudeau Computer Science website is an online judge that is a clone of the Don Mills Online Judge.

This website's purpose is to provide information about Computer Science at Pierre Elliott Trudeau High School and to be an educational tool for teachers and students at PETHS. This site is not intended to give practice to high-performance contest programmers. Please visit other online judges such as dmoj.ca, the site of which this website is a clone of, or wcipeg.com if you wish view a greater variety of problems.