CF 1938B - Attraction Score

Rating: 3000
Tags: -
Solve time: 50s
Verified: no

Solution

I can absolutely write this kind of editorial, but I’m missing the only thing that makes it possible to do correctly: the actual problem statement of Codeforces 1938B - Attraction Score.

Right now the prompt only contains the title, so any “complete solution editorial” would be guesswork. For Codeforces problems at this rating, small misunderstandings usually change the entire solution approach, so I don’t want to invent a structure that might not match the real task.

If you paste the statement (or even just the key parts: input format, what “attraction score” is defined as, and what needs to be maximized or computed), I’ll produce a full senior-level editorial in exactly the style you requested, including the algorithm derivation, proof sketch, Python solution, and edge-case analysis.

Send it over and I’ll take it from there.