AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
Toph
Toph hosts competitive programming contests and problems on algorithms and data structures, with a community for participants.
About Toph
Toph is a web platform for competitive programming where users create an account, solve categorized algorithm and data structure problems, and enter contests live or replay past ones for practice. Its archive includes 2,200+ categorized problems from beginner to advanced and rerunnable Bangladeshi programming contests dating to 2015. Account creation is described as free to join.
For organizers, it provides contest-hosting tools including preset and custom formats, invite-only, passphrase or open registration, participant controls, standings with freeze, plagiarism detection, and bulk review and rejudging of submissions.
Key features
- 2,200+ categorized problems from beginner to advanced
- Live contests and replay of past contests
- Contest hosting with preset and custom formats
- Invite-only, passphrase, or open registration options
- Plagiarism detection with block or disqualify controls
- Multiple standings with freeze and bulk rejudging
Best for: Students and competitive programmers practicing algorithms, and educators or organizations hosting programming contests.
Good for
- Account creation is described as free to join
- Archive of 2,200+ categorized problems plus Bangladeshi contests since 2015
- Organizer controls for registration, standings, plagiarism detection, and rejudging
Watch out for
- No contests were listed as scheduled at the time of the excerpt
Toph at a glance
- Website
- toph.co
- Category
- Education & Learning › Learn to Code
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Toph alternatives
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Toph FAQ
How do I start using Toph?
Create an account with a username, then solve categorized problems and enter live contests or replay past ones.
Can I practice past contests?
Yes, noteworthy Bangladeshi contests since 2015 can be rerun for practice.
Can I host my own contest?
Yes, the site states a contest can be hosted in under 10 minutes with preset or custom formats and registration controls.
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