test.cpp

#include <iostream>
#include <cstring>

const int ARRAY_SIZE = 2000;

int main()
{
   float *const a = new float[ARRAY_SIZE];
   std::memset(a, 0, ARRAY_SIZE * sizeof(float));

   std::cout << sizeof(char) << " " << sizeof(float) << '\n';
   
   std::cout << a[0] << a[1] << a[2] << "..." << a[ARRAY_SIZE - 1] << '\n';
   
   delete[] a;
}