C++ code

#include <iostream>
using namespace std;

//Base class
class std_basic_info
{
    private:
        char name[30],status[30];
        int  no,subject1,subject2,subject3,subject4,subject5;
        char grade;
    public:
        int sum;
        float avg;
        void getBasicInfo(void);
        void putBasicInfo(void);
};

//function definitions
void std_basic_info::getBasicInfo(void)
{
    cout << "Enter student's basic information:" << endl;
    cout << "Name?: ";    cin >> name;
    cout << "Number?: ";    cin >> no;
    cout << "Status?: ";     cin >> status;
    cout << "Subject1?: ";cin >> subject1;
    cout << "Subject2?: ";cin >> subject2;
    cout << "Subject3?: ";cin >> subject3;
    cout << "Subject4?: ";cin >> subject4;
    cout << "Subject5?: ";cin >> subject5;
    sum=subject1+subject2+subject3+subject4+subject5;
    avg=sum/5;
}

void std_basic_info::putBasicInfo(void)
{
    cout<<"______________________________________"<<endl;
    cout<<"Name:"<<name<<"\t Number:"<<no<<"\t Status:"<<status<<endl;
    cout<<"Subject1:"<<subject1<<"\t Subject2:"<<subject2<<"\t Subject3:"<<subject3<<"\t Subject4:"<<subject4<<"\t Subject5:"<<subject5<<endl;
    cout<<"Sum = "<<sum<<"\t Average = "<<avg<<endl;
}


int main()
{
    //create object of derived class
    std_basic_info std[2],temp;

    //read student basic and result information
    for(int i=0;i<2;i++){
        std[i].getBasicInfo();
    }

    for(int i=0;i<5;i++)
	{
		for(int j=i+1;j<5;j++)
		{
			if(std[i].avg>std[j].avg)
			{
				temp  =std[i];
				std[i]=std[j];
				std[j]=temp;
			}
		}
	}
	for(int i=0;i<2;i++){
        std[i].putBasicInfo();
    }
    return 0;
}