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AtCoder
Weekly programming contests from beginner to expert, with a public rating you can climb
Toolora score92Free
Free to compete; optional …
Advent of Code
An annual calendar of programming puzzles, with past years still open to solve
Toolora score96Free
Free; optional donations a…
| Spec | AtCoder | Advent of Code |
|---|---|---|
| Category | Education & Learning | Education & Learning |
| Pricing | Free to compete; optional account | Free; optional donations and merch |
| Toolora score | 92/100 | 96/100 |
| Best for | competitive-programming, contests, algorithms, practice | puzzles, programming, calendar, practice |
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