how to create snake tails?

Question

i have a project snake game with c++ and i want to complete this project.

this is my snake code
https://code.sololearn.com/cG3t6hC2lO8z/?ref=app

Answer 1

Probably recive some help here:
https://youtu.be/PSoLD9mVXTA

Answer 2

I also have a snake project but that is made for android