Write a program in c++ that print factorial series ?(Its C++ language challenge)

Question

C++ challenge

Answer 1

https://code.sololearn.com/cPPAOJn2h60d/?ref=app

Answer 2

Here it is in C++ and other 2 languages as well
https://code.sololearn.com/cFoNWY7GXL8H/?ref=app
https://code.sololearn.com/cIWc4NA34Sga/?ref=app
https://code.sololearn.com/cjSNCrLFHp9t/?ref=app

Answer 3

Another 2 ones
https://code.sololearn.com/cT2W90SGf7X3/?ref=app
https://code.sololearn.com/cmr77UKVddBr/?ref=app