beecrowd
Solve categorised judge problems and climb user, school and country ranks
beecrowd, formerly URI Online Judge, is a Brazilian online judge with a large set of programming problems sorted into categories such as beginner, strings, graphs and math. You submit solutions, earn points, and move up rankings by user, university and country. It also hosts contests that are open to the public or run by schools.
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About beecrowd
It trains algorithmic problem solving from first loops to contest-level problems. It suits beginners, and it is widely used in Latin American university courses and contest training.
It runs in the browser and supports more than 25 languages. The site is available in English, Portuguese and Spanish. You need an account to see contests and to submit.
On Breakpoint since 25 Oct 2026.
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