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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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9 challenges
Easy

Days in a Month

Return how many days a month has, including leap years.

BeginnerConditionsFunctionsLearning-path
Python C++ C#
0 solved
No solutions yet
Easy

Triangle Classification

Classify three side lengths as invalid, equilateral, isosceles, or scalene.

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

Largest of Three

Pick the largest of three numbers without a built-in max.

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

Ticket Price by Age

Choose a cinema ticket price from the visitor's age.

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

Absolute Value Without abs

Compute an absolute value with a condition.

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

Letter Grade

Turn a test score into a letter grade.

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

Point Quadrant

Find which quadrant a point lies in.

BeginnerConditionsLearning-path
Python C++ C#
0 solved
No solutions yet
Medium

Tic-Tac-Toe Winner

Decide the result of a tic-tac-toe board.

BeginnerConditionsGridsLearning-path
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