Help me to coding to show up student's score using visual C++

#include <iostream>
#include <stdlib.h>
using namespace std;

        class Sungjuk
        {
         private:
	    char* name[30];
	    int korean;
	    int english;
	    int math;

	    int sum = 0;
	    double average;

        public:
	    Sungjuk()
	    {
		for (int i = 0; i < 30; i++)
			name[i] = new char[12 * sizeof(char)];
	    }

	    void setName(char* name);
	    char* getName();

	    void setKorean(int kor);
	    int getKorean();

	    void setEnglish(int eng);
	    int getEnglish();

	    void setMath(int mat);
	    int getMath();

	    void compute(int korean, int english, int math)
	    {
		sum = korean + english + math;
		average = sum / 3;
	    }



	    void output()
	    {
		cout <<"Total: "<< sum << endl;
		cout << "Average: " << average << endl;

		if (average >= 90)
			cout << "Grade: A" << endl << "Result: Excellent..!" << endl;
		else if (average >= 80 && average < 90)
			cout << "Grade: B" << endl << "Result: Good..!" << endl;
		else if (average >= 70 && average < 80)
			cout << "Grade: C" << endl << "Result: Good..!" << endl;
		else if (average >= 60 && average < 70)
			cout << "Grade: D" << endl << "Result: Bad..!" << endl;
		else
			cout << "F : Bad..!" << endl;
	    }

	    ~Sungjuk()
	    {
		for (int i = 0; i < 4; i++)
			delete[] name[i];
	    }
        };

        void Sungjuk::setName(char* name)
        {
	    this->name = name;
        }
        char* Sungjuk::getName()
        {
	    return this->name;
        }

        void Sungjuk::setKorean(int kor)
        {
	    this->korean = kor;
        }
        int Sungjuk::getKorean()
        {
	    return this->korean;
        }

        void Sungjuk::setEnglish(int eng)
        {
	    this->english = eng;
        }
        int Sungjuk::getEnglish()
        {
	    return this->english;
        }

        void Sungjuk::setMath(int mat)
        {
	    this->math = mat;
        }
        int Sungjuk::getMath()
        {
	    return this->math;
        }




        int main()
        {
	    Sungjuk obj;

	    int kor, eng, mat, sum = 0;
	    double avg = 0;

	    cout << "input name: ";
	    cin >> name;
	    cout << "input korean, english, math: ";
	    cin >> kor >> eng >> mat;

	    obj.compute(kor, eng, mat);
	    obj.output();

	    system("PAUSE");
	    return 0;
        }