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Sieve coding challenges
Practise sieve with 2 coding challenges, from easy to hard. Every challenge runs in your browser with instant tests, an AI review of your code and community solutions to compare.
Medium · 2
Skills you'll practise: Sieve of EratosthenesBoolean arraysSumming primes
- Python · C++ · C#
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Medium
List Primes With a Sieve
Find primes up to a limit by marking composite multiples.
You'll learn
Sieve of EratosthenesBoolean arrays
No solutions yet
Medium
Sum of Primes Below a Limit
Add all primes strictly below a limit.
You'll learn
Sieve of EratosthenesSumming primes
No solutions yet
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