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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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25 challenges
Easy

DNA to RNA Transcription

Build an RNA string by replacing every DNA character with its partner.

MappingStrings
Python C++ C#
0 solved
No solutions yet
Easy

Count Vowels

Count the vowels in a piece of text.

BeginnerStringsStudent-beginner
Python C++ C#
0 solved
No solutions yet
Easy

Anagram Check

Check whether two phrases use the same letters.

BeginnerStringsStudent-beginner
Python C++ C#
0 solved
No solutions yet
Easy

Palindrome String

Check whether text reads the same forwards and backwards.

BeginnerStringsStudent-beginner
Python C++ C#
0 solved
No solutions yet
Easy

Replace Spaces With Dashes

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

BeginnerLearning-pathStrings
Python C++ C#
0 solved
No solutions yet
Easy

Password Rules Check

Check a password against simple strength rules.

BeginnerConditionsLearning-pathStrings
Python C++ C#
0 solved
No solutions yet
Easy

Acronym Generator

Create an acronym from the first letter of every word, in uppercase.

ParsingStrings
Python C++ C#
0 solved
No solutions yet