Wap to generate your own random function in c++

Question

and how can I find it's frequency

Answer 1

I'm not sure if this is what you are asking, but this code will at least show how to get random numbers. It's not my own random function; it is a part of the cstdlib

https://code.sololearn.com/cmdGUpJ8CxmC/?ref=app

Answer 2

thanks @zekewilliams , but I'm asking about how to generate the code or algo for random function without using rand() .