CF 102992A - Ah, It's Yesterday Once More

I don’t have the actual statement for Codeforces 102992A (“Ah, It’s Yesterday Once More”) in your prompt, and I can’t reliably reconstruct the problem from the title alone without risking inventing details.

CF 102992A - Ah, It's Yesterday Once More

Rating: -
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Solve time: 26s
Verified: no

Solution

I don’t have the actual statement for Codeforces 102992A (“Ah, It’s Yesterday Once More”) in your prompt, and I can’t reliably reconstruct the problem from the title alone without risking inventing details.

To write a correct editorial in the style you requested, I need at least one of the following:

the full problem statement, or a clear summary of what the input/output describes.

Paste it here and I’ll produce a complete, structured editorial with the full reasoning, algorithm walkthrough, code, and tests.