Answer 1

indu lekha
https://sololearn.com/compiler-playground/WGPZqz8gv0wr/?ref=app

Answer 2

Sadasivan Nair
Quang Phạm

Conversation is not related to the question, be careful what you post as this is shared to the community:

https://sololearn.com/discuss/1316935/?ref=app

https://sololearn.com/discuss/524028/?ref=app

https://sololearn.com/discuss/3021159/?ref=app
- Sololearn Guidelines (for you to read).

Answer 3

you can buy many of them