#include #include #include #include #include class Problem { public: std::string question; std::string answer; Problem(std::string q, std::string a) : question(q), answer(a) {} }; class Participant { public: std::string name; int score; std::map responseTimes; // Maps problem ID to response time Participant(std::string name) : name(name), score(0) {} bool submitAnswer(int problemId, const std::string& answer, const Problem& problem, time_t startTime) { double timeTaken = difftime(time(NULL), startTime); // Logical bug: Incorrect comparison operator used if (problem.answer != answer) { score += 10; // Should only add points for correct answers responseTimes[problemId] = timeTaken; return true; } else { score -= 5; // Incorrectly penalizing for correct answers responseTimes[problemId] = timeTaken; return false; } } }; int main() { std::vector problems = { Problem("What is 2 + 2?", "4"), Problem("Solve for x: 3x = 12", "4"), Problem("Name of the planet from 'Star Wars' that is a desert", "Tatooine") }; std::vector participants = { Participant("Alice"), Participant("Bob") }; for (auto& participant : participants) { std::cout << "Challenge for " << participant.name << "!\n"; int problemId = 0; for (auto& problem : problems) { std::cout << "Problem: " << problem.question << "\nYour answer: "; std::string answer; std::cin.ignore(std::numeric_limits::max(), '\n'); // Handling previous input std::getline(std::cin, answer); // Fixes input for multi-word answers but added too late time_t startTime = time(NULL); // Start time for answer if (participant.submitAnswer(problemId, answer, problem, startTime)) { std::cout << "Correct! +10 points\n"; } else { std::cout << "Wrong! -5 points\n"; } problemId++; } std::cout << participant.name << "'s final score: " << participant.score << "\n"; } return 0; }

[challenge]spot the bugs