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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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28 challenges
Easy

Second Largest Value

Find the second largest distinct value.

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

Reverse a String

Return the characters of a string in reverse order.

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

Array Maximum

Find the largest value in a list.

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

Count Words

Count the words in a sentence.

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

Array Minimum

Find the smallest value in a list.

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

Rotate Array

Rotate a list to the right by some steps.

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

Move Zeroes

Move every zero to the end while keeping the other order.

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

Array Average

Compute the average of a list of numbers.

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

Longest Word

Find the longest word in a sentence.

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

Sum an Array

Add up all values in a list.

ArraysBeginnerStudent-beginner
Python C++ C#
0 solved
No solutions yet