CF 1058202025_2C - Reversal ABC

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Solve time: 21s
Verified: no

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 observations
Key insights and proofs
Step-by-step derivation of the solution
Complexity analysis
Common pitfalls
Clean C++ implementation
Alternative approaches (if relevant)

Once you send the problem, I'll produce the editorial in a style similar to official Codeforces editorials.