Welcome to LightOJ
Solve Problems
Solve various algorithmic problems on LightOJ. All the problems are categorized. Kick start problem solving from the warm-up problems.
Host Contests and Participate
Participate in contests arranged by LightOJ and the community. And host contests without any fee(*) on LightOJ.
Become Better Programmer
We will be introducing various new features which will help you to become a better programmer.