// Problem solving through code

Learn to problem solve with computational thinking.

Apply your creativity and solve interesting problems.

A cool looking graph
A cute informatics problem

Practice on past problems.

Hone your skills on past competitions, or practice using our training problems.

Get instant feedback.

Submit your code and get instant feedback.

Learn from our tutorials and from other users' code.

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Latest news


IOI 2022 was hosted by Indonesia from the 7th to the 14th of August. Congratulations to the Australian team for earning four silver medals! The team placed 33rd, 63rd, 65th and 71st.