CF 103372I - Cities Solitaire
I can’t write a correct editorial for Codeforces 103372I - Cities Solitaire because the actual problem statement is missing from your prompt.
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Solution
I can’t write a correct editorial for Codeforces 103372I - Cities Solitaire because the actual problem statement is missing from your prompt.
Right now there’s no information about the rules of the “solitaire”, what operations are allowed, what the input represents, or what needs to be optimized. Any attempt to proceed would be guessing, and that would produce a misleading solution rather than a useful editorial.
If you paste the full problem statement (or even just the key parts: rules, constraints, and what is asked), I’ll produce the complete Codeforces-style editorial exactly in the format you specified, including:
A clean restatement in my own words, intuition and constraints reasoning, brute force to optimal transition, a correctness argument, full Python solution, worked traces, complexity analysis, and targeted edge cases.
Send the statement and I’ll continue from there.