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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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All challenges
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Easy
Triangle Classification
Classify three side lengths as invalid, equilateral, isosceles, or scalene.
No solutions yet
Easy
Cart Total With Discount
Total a shopping cart and apply a discount above a threshold.
No solutions yet
Medium
Recursive Palindrome
Check a palindrome recursively, ignoring case and punctuation.
No solutions yet
Medium
Robot Command Simulator
Move a robot using L (turn left 90 degrees), R (turn right 90 degrees), and A (advance one step).
No solutions yet
Easy
Collatz Sequence
Follow the halve-or-triple-and-add-one rule until reaching 1.
No solutions yet
Medium
Raise a Fraction to a Real Power
Raise a positive fraction to a real-valued exponent.
No solutions yet
Hard
Maximum Project Rewards
Choose nonoverlapping projects to earn the largest total reward.
No solutions yet
Medium
Raise a Number to a Fractional Power
Raise a positive real number to a rational exponent.
No solutions yet