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.

  • Python · C++ · C#
  • Automated tests
  • AI code review
  • Community solutions
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150
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3 challenges
Hard

Minimum Window Substring

Find the shortest piece of text containing all required characters.

AdvancedCompetitive-programmingSliding-windowStrings
No solutions yet
Medium

Largest Adjacent-Digit Product

Take every contiguous window of span digits and multiply its digits.

NumbersSliding-window
No solutions yet
Hard

Sliding Window Maximum

Report the maximum of every window of k numbers.

AdvancedCompetitive-programmingSliding-window
No solutions yet