//Workshop 3 using the scan and reduce with openMp

const T* in, // source data

T* out, // output data

S scan_fn, // scan function (exclusive or inclusive)

T initial // initial value

/* int tile size = (n - 1)/ntiles + 1;

reduced[tid] = reduce(in + tid * tilesize,itile == last_tile ? last_tile_size : tile_size, combine, T(0));

T* scanRes = new T[max_threads];

{

int ntiles = omp_get_num_threads(); // Number of tiles

}

return nthreads;

====C++11 code====