2 dimensional array in c++ example

/******************************************************************* * File : 2d_array_dynamic_allocation.cpp * Author : Team ccplusplus * Description : 2 dimensional array in c++ example * Date : AM 12:28 07 April 2012 * Source : http://www.ccplusplus.com/p/c_15.html * Note : *******************************************************************/ #include <iostream> using namespace std; int main() { int row, col; int **array; //array name int i, j; cout<<"Enter the matrix size i.e. row and column"<<endl; cin>>row; cin>>col; //allocate memory of size row to pointer to int array = new int*[row]; //allocate memory of size col to each of the pointer to int for(i=0; i<row; ++i) { array[i] = new int[col]; } cout<<endl; cout<<"Please eneter the values array["<<row<<"]["<<col<<"] :\n"; for(i=0; i<row; ++i) { for(j=0; j<col; ++j) { cin>>array[i][j]; } } cout<<endl; cout<<"Contents of array["<<row<<"]["<<col<<"] are :\n"; for(i=0; i<row; ++i) { for(j=0; j<col; ++j) { cout<<array[i][j]; } cout<<endl; } cout<<endl; //now for each pointer, free its array of ints for (i = 0; i < row; i++) { delete [] array[i]; } //now free the array of pointers delete [] array; return(0); } /* * OUTPUT * [blog@ccplusplus cpp]$ c++ 2d_array_dynamic_allocation.cpp -o 2d_array_dynamic_allocation [blog@ccplusplus cpp]$ ./2d_array_dynamic_allocation Enter the matrix size i.e. row and column 2 2 Please eneter the values array[2][2] : 1 2 3 4 Contents of array[2][2] are : 12 34 [blog@ccplusplus cpp]$ */