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int row,col;
cout << "please input how many rows and columns you want accordingly: ";
cin>>row>>col;
//create array in heap.
int **arr=new int*[row];
for(int i=0;i<row;i++)
{
arr[i]=new int[col];
}
//getting value from user.
for(int i=0;i<row;i++)
{
for(int j=0;j<col;j++)
{
cout<<"Enter a number ";
cin>>arr[i][j];
}
}
//display Elements.
for(int i=0;i<row;i++)
{
for(int j=0;j<col;j++)
{
cout<<arr[i][j]<<" ";
}
}
return 0;
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string letters[2][4] = {
{ "A", "B", "C", "D" },
{ "E", "F", "G", "H" }
};
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//* 2D arrays
int n, m;
cout << "Enter row and column: ";
cin >> n >> m;
int arr[n][m];
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
cin >> arr[i][j];
}
}
cout << "\nShowing array\n";
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
cout << arr[i][j] << " ";
}
cout << endl;
}