What if we do not include return 0;

Answer 1

edit

ah this is C
make sure you explain what language you are working in.

Answer 2

When you (the coder) doesn't explicitly write any `return` statement (for main function), then the compiler assumes a default return value and automatically inserts the `return 0;` line for you : )

Answer 3

Bt in the basic program of "hello world " it worked

Answer 4

https://code.sololearn.com/co2TD1sAh0Ri/?ref=app