How to add emoji in c++ program

Answer 1

Since you have a console program, your are bound to text based emoji
:-) :-((( ;-).
https://textfac.es/
https://www.google.nl/amp/s/twistedsifter.com/2015/06/best-text-emoticons-on-a-single-page/amp/

Answer 2

‌a console program on code block

Answer 3

It depends what kind of emoji you want to add.
And what kind of c++ program you have ?
Is it a console-program or a program with a form.