// Nested heterogeneous arrays#include <blitz/array.h>BZ_USING_NAMESPACE(blitz)int main(){    Array<Array<int,1>,1> A(3);    A(0).resize(3);    A(0) = 0, 1, 2;    A(1).resize(5);    A(1) = 5, 7, 18, 2, 1;    BZ_USING_NAMESPACE(blitz::tensor);    A(2).resize(4);    A(2) = pow2(i+1);    cout << "A = " << A << endl;    // A = [ [ 0 1 2 ] [ 5 7 18 2 1 ] [ 1 4 9 16 ] ]    return 0;}