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71 lines
2.1 KiB
71 lines
2.1 KiB
#ifndef QUESTION_H
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#define QUESTION_H
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#include <chrono>
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#include<set>
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#include<string>
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#include<vector>
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#include<memory>
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#include <random>
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struct User {
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std::string username;
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std::string password;
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std::string usertype;
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};
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//抽象基类
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class QuestionGenerator{
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protected:
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std::set<std::string> existingqustions;//已生成的问题
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std::mt19937 gen;
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public:
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QuestionGenerator(){
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auto seed = std::chrono::system_clock::now().time_since_epoch().count();
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gen.seed(static_cast<unsigned int>(seed));
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}
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virtual std::string GenerateLogic()=0;
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virtual ~QuestionGenerator() = default;
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virtual std::vector<std::string> GenerateQuestion(int count);//生成问题
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virtual std::string GetType() const = 0;
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int GetRand(int min,int max);//产生随机数字
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char GetOperator();
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bool IsQuestionUnique(const std::string& question) const;
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void ClearQuestions();
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};
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//小学题目生成器
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class PrimaryQuestionGenerator : public QuestionGenerator {
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public:
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PrimaryQuestionGenerator() = default;
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std::string GenerateLogic() override;
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std::string GetType() const override;
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private:
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std::string GenerateWithParentheses(int operands);
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bool IsValidParentheses(const std::string& expr) const;
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std::string ParenthesesCaceOne(int operands, const std::vector<int>& numbers);
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std::string ParenthesesCaceTwo(int operands, const std::vector<int>& numbers);
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std::string ParenthesesCaceThree(int operands, const std::vector<int>& numbers);
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};
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// 初中题目生成器
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class JuniorQuestionGenerator : public QuestionGenerator {
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public:
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JuniorQuestionGenerator() = default;
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std::string GenerateLogic() override;
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std::string GetType() const override;
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};
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// 高中题目生成器
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class SeniorQuestionGenerator : public QuestionGenerator {
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public:
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SeniorQuestionGenerator() = default;
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std::string GenerateLogic() override;
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std::string GetType() const override;
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};
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// 工厂函数声明
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std::unique_ptr<QuestionGenerator> CreateQuestionGenerator(const std::string& type);
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#endif // QUESTION_H
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