title: What is the practical scenario/example/use of dynamic memory allocation and vector of pointers in C++?
body: <p>Could you please suggest practical scenario/example/use of dynamic memory allocation and vector of pointers?</p>
  <p>If I google, I am getting many websites explaining the concepts of dynamic memory allocation and but not able to get practical scenarios where we can use dynamic memory allocation in C++?</p>
  <p>Thanks.</p>