Full subject text
Assignment wording, constraints, and expected behaviour in one view.
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Exam practice, collected in one place
Clear subjects, function signatures, and examples so you can drill before the exam. Pick your rank below - we’re building this hub step by step.
Signatures & examples
Function prototypes plus input/output samples to sanity-check your solution.
Six languages per rank
For every rank we publish, the interface is available in English, Deutsch, Français, Español, Italiano, and Russian.
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New subjects, fixes, and languages land here often. Open the changelog for full release notes.
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Ranks
Each rank has its own subdomain. Rank 02, Rank 03, and Rank 04 are live, while Rank 05 is in progress.
Available now
Rank 02
Fifty-seven C exercises from the community pool: search, full modals, six-language UI.
Open Rank02Available now
Rank 03
14 Python practice subjects with search, full modals, and six languages.
Open Rank03Available now
Rank 04
Advanced Python challenges focusing on algorithmic patterns, lists, and rotation logic.
Open Rank04Available now
Rank 05
Advanced Python exam topics covering graphs, word ladders, matrix spirals, and scheduling.
Open Rank05