SY_BCA_CPP_SLIP 6_1

/* slip no : 6_1 Write a C++ program to create a class which contains two dimensional integer array of size mXn. Write a member function to display sum of all elements of entered matrix. (Use Dynamic Constructor for allocating memory and Destructor to free memory of an object)              */

#include<conio.h>

#include<iostream.h>

main()

{

                int r,c,sum=0;

                clrscr();

                cout<<"\n Enter dimension ";

                cin>>r;

                cin>>c;

                int **a;

                a=new int*[r];//[s];

                for(int i=0;i<r;i++)

                {      a[i]=new int[c];

                }

                for(i=0;i<r;i++)

                {

                                for(int j=0;j<c;j++)

                                {

                                                cout<<"\n enter data : ";

                                                cin>>a[i][j];

                                }

                }

                for(i=0;i<r;i++)

                {

                                for(int j=0;j<c;j++)

                                {

                                                cout<<"\t"<<a[i][j];

                                }

                                cout<<endl;

                }

                for(i=0;i<r;i++)

                {

                                for(int j=0;j<c;j++)

                                {

                                                sum=sum+a[i][j];

                                }

                }

                cout<<"\n sum of all elements of matrix : "<<sum;

                getch();

}