Need help with this problem...

Revision en1, by web_developer, 2020-10-09 15:27:14

Hello codeforces! I want help with this Codeforces Round #497 (Div. 1) A problem...Even after looking at the editorial I didn't understand why it's answer is n-x. Please help me understand.....Thanks!!

Upd: I don't care about downvotes, I just need an answer.


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en1 English web_developer 2020-10-09 15:27:14 391 Initial revision (published)