CF 103648J - Birding In The Rain

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Solve time: 28s
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Solution

The problem statement is missing from your prompt, so there’s no reliable way to write a correct editorial for it.

“Codeforces 103648J - Birding In The Rain” isn’t something I can reconstruct safely from the title alone without risking inventing details (which would make the entire editorial incorrect).

Paste the full statement (or even a screenshot / text dump), and I’ll produce the complete editorial in the exact format you specified, including:

clean restatement
brute force → optimization reasoning
full algorithm walkthrough
Python solution
worked traces, edge cases, and tests

Once you send it, I’ll go straight into a full Codeforces-style writeup.