Contests
There are no timed contests here yet, and no rating. Saying otherwise would be the first thing you found out was false. What follows is what is built, and where to compete in the meantime.
Here, now
Time yourself on a problem
Every problem runs against hidden tests on a real compiler. Give yourself thirty minutes and treat it as a round — the grading is the same either way.
Open the problemsA full subject in one sitting
The question sets in each subject are the closest thing here to a timed paper. Sit one end to end without notes and the score tells you where you actually are.
Open the subjectsRunning today, elsewhere
None of these are ours. They are where the contests are while this one is being built.
LeetCode
Weekly and biweekly contests, and the question bank most interview rounds are drawn from.
Open LeetCode(opens in a new tab)HackerEarth
Monthly circuits and hiring challenges that Indian companies recruit from directly.
Open HackerEarth(opens in a new tab)Codeforces
Rounds several times a week and a rating that means something to people who know it.
Open Codeforces(opens in a new tab)CodeChef
Starters every Wednesday, at a difficulty that assumes you started recently.
Open CodeChef(opens in a new tab)When contests are built here, the schedule replaces the top of this page and the list below it stays where it is.