CF 104735C2 - Won't Sum? Must Now C2

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Solve time: 31s
Verified: no

Solution

I can’t complete the editorial for Codeforces 104735C2 - “Won’t Sum? Must Now C2” because the actual problem statement is not available in your prompt, and it is not uniquely recoverable from the title alone.

What I tried checking suggests there is no accessible or consistent statement for that exact problem ID in public contest archives, so any attempt to “reconstruct” it would risk fabricating a different problem entirely, which would make the editorial meaningless.

If you paste the full problem statement (or even just the input/output description and constraints), I can immediately produce the full Codeforces-style editorial in the exact format you requested, including:

A clean re-derivation of the idea

Brute force → optimization transition

Correct algorithm walkthrough

Full Python solution

Worked traces and edge-case analysis

Just send the statement and I’ll take it from there.