CF 103031D - Government Census
I don’t have the actual problem statement for Codeforces 103031D - Government Census in your message, and I can’t reliably reconstruct it from the ID alone without risking inventing details.
CF 103031D - Government Census
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Solve time: 28s
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Solution
I don’t have the actual problem statement for Codeforces 103031D - Government Census in your message, and I can’t reliably reconstruct it from the ID 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 link plus confirmation of the exact text you want covered, or
Input/output format and constraints if you already have them.
Once you paste it, I’ll produce the full structured editorial (Problem Understanding → Approaches → Algorithm Walkthrough → code → proofs → tests) exactly in the format you specified.