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#
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  • Community solutions
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150
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2
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2 challenges
Easy

Pangram Check

A pangram contains every English letter at least once.

SetsStrings
No solutions yet
Easy

Remove Duplicates

Keep only the first occurrence of each value.

ArraysBeginnerSetsStudent-beginner
No solutions yet