CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
CSES Problemset
CSES Problem Set provides programming tasks for practice, with problem categories, statistics, and account features.

About CSES Problemset
CSES Problemset is a web-based collection of programming tasks for practice. Tasks are grouped into categories such as Introductory Problems, Sorting and Searching, Dynamic Programming, Graph Algorithms, Range Queries, and Tree Algorithms. The site includes statistics and account features, including login and account creation, and lists a dark mode option. Pricing information is not provided.
Key features
- Programming tasks grouped into named categories
- Categories include introductory, sorting, dynamic programming, graph, range query, and tree topics
- Statistics page and task-level statistics
- Account creation and login
- Dark mode option
- Offers multiple problem categories for programming practice.
- Displays statistics for tasks and the problem set.
- Includes account features and a dark mode option.
- Pricing information is not provided.
- Available as a web platform only.
CSES Problemset at a glance
- Website
- cses.fi/problemset
- Category
- Education & Learning › Learn to Code
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
CSES Problemset alternatives
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CSES Problemset FAQ
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