zadaca 2

#include<iostream>
#include<cstring>
#include<cctype>

using namespace std;

class Question{
    protected:
        char id[5];
        char * text;
        int points;
        const void copy_obj(const Question &copy){
            strcpy(this->id, copy.id);
            this->text = new char[strlen(copy.text)+1];
            strcpy(this->text, copy.text);
            this->points = copy.points;
        }
    public:
        Question(){
            strcpy(this->id, "00000");
            this->text = new char[0];
            this->points = 0;
        }
        Question(const char * id, const char * text, const int points){
            strcpy(this->id, id);
            this->text = new char[strlen(text)+1];
            strcpy(this->text, text);
            this->points = points;
        }
        Question(const Question &copy){
            this->copy_obj(copy);
        }
        Question &operator=(const Question &copy){
            if(this != &copy){
                delete [] this->text;
                this->copy_obj(copy);
            }
            return *this;
        }
        ~Question(){
            delete [] this->text;
        }
        virtual double checkAnswer(char * answer) = 0;
        bool operator>(Question &orig){
            if(this->points > orig.points)
                return true;
            else
                return false;
        }
        const int getPoeni(){
            return this->points;
        }
        friend ostream &operator << (ostream &os, Question &orig){
            os << "Question " << orig.id << ": " << orig.text << "\n";
            TrueFalseQuestion * tf = dynamic_cast<TrueFalseQuestion *>(&orig);

            os << "Correct answer: "
            if(tf){
                if(tf.answer == true)
                    os << "true\n";
                else
                    os << "false\n";
            }else
             os << orig.answer << "\n";

        }
};

class MultichoiceQuestion  : public Question{
    private:
        char answer;
    public:
        MultichoiceQuestion (const char * id, const char * text, const int points, const char answer) : Question(id, text, points){
            this->answer = answer;
        }
        double checkAnswer(char * answer){
            if(this->answer == answer[0])
                return this->points;
            else
                return this->points - (this->points * 25 / 100);
        }
};

class TrueFalseQuestion : public Question{
    private:
        bool answer;
    public:
        TrueFalseQuestion(const char * id, const char * text, const int points, const bool answer): Question(id, text, points){
            this->answer = answer;
        }
        double checkAnswer(char * answer){
            if(answer[0] == 't'){
                if(this->answer == true)
                    return this->points;
                else return 0;
            }
        }
};

class ShortTextAnswerQuestion : public Question{
    private:
        char answer[50];
        bool caseSens;
    public:
        ShortTextAnswerQuestion(const char * id, const char * text, const int points, const char * answer, const bool caseSens) : Question(id, text, points){
            strcpy(this->answer, answer);
            this->caseSens = caseSens;
        }
        double checkAnswer(char * answer){
            if(this->caseSens){
                if(!strcmp(this->answer, answer))
                    return this->points;
                else
                    return 0;
            } else {
                for (int i=0; i<strlen(answer); i++)
                    this->answer[i] == tolower(this->answer[i]);
                if(!strcmp(this->answer, answer))
                    return this->points;
                else
                    return 0;
            }
        }
};

double guessAllMultichoiceQuestions (Question ** questions, int n, char * choice){
    double sum=0.0;
    for(int i=0; i<n; i++){
        MultichoiceQuestion * m = dynamic_cast<MultichoiceQuestion *>(questions[i]);
        if(m)
            sum += questions[i]->checkAnswer(choice);
    }
    return sum;
}

Question * questionWithMaxPoints (Question ** questions, int n) {
    int max = questions[0]->getPoeni();
    int index = 0;
    for(int i=0; i<n; i++){
        if(questions[i]->getPoeni() > max){
            max = questions[i]->getPoeni();
            index = i;
        }
    }
    return questions[index];
}

int main () {
    int testCase;
    cin>>testCase;

    char text [200];
    char ID [5];
    char correctAnswer [50];
    int points;
    int caseSensitive;
    char correctLetter;
    int trueOrFalse;

    if (testCase==1) {
        cout<<"Testing MultichoiceQuestion class, operator << and checkAnswer"<<endl;
        cin.get();
        cin.getline(ID,5);
        cin.getline(text,200);
        cin>>points;
        cin>>correctLetter;
        MultichoiceQuestion mq (ID, text, points, correctLetter);
        cout<<mq<<endl;
        for (char ans = 'a'; ans <= 'd'; ans++) {
            char answer [2];
            answer[0] = ans;
            cout<<mq.checkAnswer(answer)<<endl;
        }
    }
    else if (testCase == 2) {
        cout<<"Testing TrueFalseQuestion class, operator << and checkAnswer"<<endl;
        cin.get();
        cin.getline(ID,5);
        cin.getline(text,200);
        cin>>points;
        cin>>trueOrFalse;
        TrueFalseQuestion tfq (ID, text, points, (trueOrFalse==1));
        cout<<tfq<<endl;
        char trueAnswer [2]; trueAnswer[0]='t';
        char falseAnswer [2]; falseAnswer[0]='f';
        cout<<tfq.checkAnswer(trueAnswer)<<endl;
        cout<<tfq.checkAnswer(falseAnswer)<<endl;
    } else if (testCase == 3) {
        cout<<"Testing ShortTextAnswerQuestion class (case sensitive), operator << and checkAnswer"<<endl;
        cin.get();
        cin.getline(ID,5);
        cin.getline(text,200);
        cin>>points;
        cin>>correctAnswer;
        ShortTextAnswerQuestion staq (ID, text, points, correctAnswer, true);
        cout<<staq<<endl;
        cout<<staq.checkAnswer(correctAnswer)<<endl;
        for (int i=0;i<strlen(correctAnswer);i++) {
            if (isupper(correctAnswer[i]))
                correctAnswer[i]=tolower(correctAnswer[i]);
            else
                correctAnswer[i]=toupper(correctAnswer[i]);
        }
        //cout<<correctAnswer<<endl;
        cout<<staq.checkAnswer(correctAnswer)<<endl;
    } else if (testCase == 4) {
        cout<<"Testing ShortTextAnswerQuestion class (case insensitive, operator << and checkAnswer"<<endl;
        cin.get();
        cin.getline(ID,5);
        cin.getline(text,200);
        cin>>points;
        cin>>correctAnswer;
        ShortTextAnswerQuestion staq (ID, text, points, correctAnswer, false);
        cout<<staq<<endl;
        cout<<staq.checkAnswer(correctAnswer)<<endl;
        for (int i=0;i<strlen(correctAnswer);i++) {
            if (isupper(correctAnswer[i]))
                correctAnswer[i]=tolower(correctAnswer[i]);
            else
                correctAnswer[i]=toupper(correctAnswer[i]);
        }
        //cout<<correctAnswer<<endl;
        cout<<staq.checkAnswer(correctAnswer)<<endl;
    } else if (testCase == 5) {
        cout<<"Test questAllMultichoiceQuestions"<<endl;
        int n;
        cin>>n;
        Question ** questions = new Question * [n];
        for (int j=0;j<n;j++) {
            int type;
            cin>>type; //1=MCQ, 2=TFQ, 3=STAQ
            if (type==1) {
                cin.get();
                cin.getline(ID,5);
                cin.getline(text,200);
                cin>>points;
                cin>>correctLetter;
                questions[j] = new MultichoiceQuestion (ID, text, points, correctLetter);
            }
            else if (type==2) {
                cin.get();
                cin.getline(ID,5);
                cin.getline(text,200);
                cin>>points;
                cin>>trueOrFalse;
                questions[j] = new TrueFalseQuestion (ID, text, points, (trueOrFalse==1));
            } else if (type==3) {
                cin.get();
                cin.getline(ID,5);
                cin.getline(text,200);
                cin>>points;
                cin>>correctAnswer;
                questions[j] = new ShortTextAnswerQuestion (ID, text, points, correctAnswer, true);
            }

        }

        cout<<"a: "<<guessAllMultichoiceQuestions(questions, n, 'a')<<endl;
        cout<<"b: "<<guessAllMultichoiceQuestions(questions, n, 'b')<<endl;
        cout<<"c: "<<guessAllMultichoiceQuestions(questions, n, 'c')<<endl;
        cout<<"d: "<<guessAllMultichoiceQuestions(questions, n, 'd')<<endl;
    } else if (testCase == 6) {
        cout<<"Test questionWithMaxPoints"<<endl;
        int n;
        cin>>n;
        Question ** questions = new Question * [n];
        for (int j=0;j<n;j++) {
            int type;
            cin>>type; //1=MCQ, 2=TFQ, 3=STAQ
            if (type==1) {
                cin.get();
                cin.getline(ID,5);
                cin.getline(text,200);
                cin>>points;
                cin>>correctLetter;
                questions[j] = new MultichoiceQuestion (ID, text, points, correctLetter);
            }
            else if (type==2) {
                cin.get();
                cin.getline(ID,5);
                cin.getline(text,200);
                cin>>points;
                cin>>trueOrFalse;
                questions[j] = new TrueFalseQuestion (ID, text, points, (trueOrFalse==1));
            } else if (type==3) {
                cin.get();
                cin.getline(ID,5);
                cin.getline(text,200);
                cin>>points;
                cin>>correctAnswer;
                questions[j] = new ShortTextAnswerQuestion (ID, text, points, correctAnswer, true);
            }

        }

        cout<<(*(questionWithMaxPoints(questions,n)));
    }

    return 0;
}