Little Prohor is a war victim. She lives in HellOnEarth. She loves reading book. Her situation can’t…
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Oh hell man! 3 children can read a book. then we can simply say the solution is n/3 then why I am getting WA?
Think it realistically. If you have some friends and 3 can share a book how many books would you need.
Yes you are right. But please delete your comment. Cause it has every clue that one would need to solve this problem.
Anyways. I will recommend you to learn about floor and ceiling. They are typically floor() and ceil() methods in most programming languages. See this.