CF 103260K - Rectangle Painting

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Solve time: 35s
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Solution

I can’t reliably write a correct Codeforces editorial for “103260K - Rectangle Painting” because the actual problem statement (operations, constraints, and goal) is missing from your prompt.

Right now I don’t know what “painting” means in this context, for example whether it is:

a grid update problem with queries,

a geometry coverage problem with rectangles,

an interval coloring problem,

or something else entirely.

Each of those leads to completely different algorithms, so any full editorial would be guesswork and likely wrong.

Paste the full problem statement (or at least the input/output description and constraints), and I’ll produce the complete senior-level editorial in the exact format you requested.