A c++ code to generate four digit random number with no same digits

Question

for example 3619 acceptable
4772 not acceptable

Answer 1

I don't know C++.
I know Java.
I suppose that it will be easy to do so you can try by yourself

Answer 2

https://code.sololearn.com/cbFvTe5wSITG/?ref=app

not that hard.

also submit challenges to the lesson factory please

Answer 3

use rand function