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Programming Challenges
Strengthen your problem-solving skills with language-neutral challenges you can solve in Python, C++, or C#. Every submission is checked by automated tests and reviewed by AI.
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Medium
Largest Prime Factor
Find the largest prime that divides a positive integer.
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Medium
List Primes With a Sieve
Find primes up to a limit by marking composite multiples.
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Medium
Right-Triangle Product
Find the largest side product of an integer right triangle with a given perimeter.
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Medium
Find Right-Triangle Triples
List all integer right triangles with a specified perimeter.
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Easy
Classify a Number by Its Divisors
Classify a positive integer as perfect, abundant, or deficient.
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