#include <iostream>
#include <string>
#include <vector>
#include <map>
 
class QuizQuestion {
public:
    QuizQuestion(const std::string& question, const std::vector<std::pair<std::string, std::string>>& choices_with_letters, char correct_answer_letter)
        : question_(question), choices_(choices_with_letters), correct_answer_(correct_answer_letter) {}
 
    bool check_answer(char user_answer) const {
        return user_answer == correct_answer_;
    }
 
    void display_question() const {
        std::cout << question_ << std::endl;
        for (size_t i = 0; i < choices_.size(); ++i) {
            std::cout << static_cast<char>('A' + i) << ". " << choices_[i].first << std::endl;
        }
    }
 
    char get_correct_answer() const {
        return correct_answer_;
    }
 
private:
    std::string question_;
    std::vector<std::pair<std::string, std::string>> choices_;
    char correct_answer_;
};
 
int main() {
    std::vector<QuizQuestion> questions_and_answers {
        // 根据文档内容填写具体题目及其选项与正确答案
        {"1919年的五四运动标志着中国（   ）的伟大开端。",
         {{"A. 新民主主义革命", "新民主主义革命"},
          {"B. 资产阶级民主革命", "资产阶级民主革命"},
          {"C. 社会主义革命", "社会主义革命"}},
         'A'},
 
        {"1920年6月陈独秀发起建立的（   ），是中国成立最早影响最大的早期共产党组织。",
         {{"A. 上海共产主义小组", "上海共产主义小组"},
          {"B. 北京共产主义小组", "北京共产主义小组"},
          {"C. 长沙共产主义小组", "长沙共产主义小组"}},
         'A'},
 
        // 其他题目...
    };
 
    int score = 0;
    for (const auto& q : questions_and_answers) {
        q.display_question();
        char user_choice_letter;
        std::cin >> user_choice_letter;
        if (q.check_answer(user_choice_letter)) {
            score++;
            std::cout << "回答正确！" << std::endl;
        } else {
            std::cout << "回答错误，正确答案是：" << static_cast<char>(q.get_correct_answer() + 'A') << std::endl;
        }
    }
 
    std::cout << "总分：" << score << "分" << std::endl;
 
    return 0;
}
 

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