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- Challenges
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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- Challenges
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Medium
Shortest Weighted Routes
Find the minimum total route cost from city 1 to each city.
No solutions yet
Easy
Count Pairs With a Sum
Count pairs of positions whose values add up to a target.
No solutions yet
Medium
Largest Prime Factor
Find the largest prime that divides a positive integer.
No solutions yet
Hard
Find Many Patterns in Text
For each requested pattern, decide whether it appears as a contiguous substring anywhere in the shared text.
No solutions yet
Medium
List Primes With a Sieve
Find primes up to a limit by marking composite multiples.
No solutions yet
Easy
Distance Between Points
Compute the straight-line distance between two points.
No solutions yet
Hard
Shortest Delivery Tour
Visit every city once and return home as cheaply as possible.
No solutions yet
Medium
Right-Triangle Product
Find the largest side product of an integer right triangle with a given perimeter.
No solutions yet