what is sizeof?I'm confused with it.

Answer 1

Here is an good lesson which can help you out, if you still face any difficulty after that you can post here
https://www.sololearn.com/learn/CPlusPlus/1633/?ref=app

Answer 2

i made a code using sizeof that might help you understand
https://code.sololearn.com/c13I48p6x5yG/?ref=app