CF 106102J - Suffering from success

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Solve time: 23s
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Solution

Sure - please provide the Codeforces problem statement (or the problem link/contest ID and problem letter), and I'll write a full competitive programming editorial including:

Problem restatement
Key observations
Derivation of the solution
Proof of correctness
Time and space complexity analysis
Implementation details and pitfalls
Annotated C++ solution (Codeforces style)

Once you send the problem, I'll structure the editorial exactly like an official Codeforces editorial.