Wun Code

C++‎ exam

This exam measures what you've actually learned, in three stages: Easy, Medium, then Hard. Each stage unlocks the next. There are no hints and no ready-made solutions, so it's just you and your code, graded automatically like in the lessons.

  1. Stage 1Locked

    Easy

    • GradingChained conditions8 min
    • Above averageVectors and const references10 min
  2. Stage 2Locked

    Medium

    • Reversing word orderSplitting with istringstream and building a new string13 min
    • LeaderboardStructs and sorting with a comparator14 min
  3. Stage 3Locked

    Hard

    • Bank accountA class that protects its data18 min
    • Most frequent wordCounting with a map and cleaning up text18 min