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
Learning path
150
Challenges
2
Solutions shared
3
Languages

All challenges

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40 challenges
Easy

Count Uppercase Letters

Count the capital letters in a text.

BeginnerLearning-pathStrings
No solutions yet
Easy

Initials From a Name

Build uppercase initials from a full name.

BeginnerLearning-pathStrings
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Easy

Replace Spaces With Dashes

Turn spaces into dashes to make a URL-style slug.

BeginnerLearning-pathStrings
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Easy

Running Sum

Replace each value with the total so far.

ArraysBeginnerLearning-path
No solutions yet