CF 103600F - Obstacle Course
I can’t write a correct editorial for this yet because the actual problem statement is missing. Right now I only know the title “Obstacle Course”, but there are no details about what the grid/graph/constraints are, what operations are allowed, or what needs to be computed.
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Solve time: 33s
Verified: no
Solution
I can’t write a correct editorial for this yet because the actual problem statement is missing.
Right now I only know the title “Obstacle Course”, but there are no details about what the grid/graph/constraints are, what operations are allowed, or what needs to be computed. Any attempt to proceed would be guessing, and that would almost certainly produce a wrong solution and misleading reasoning.
Paste the full statement (or even a screenshot/text dump), and I’ll produce a complete Codeforces-style editorial in the exact format you requested, including the algorithm derivation, proof sketch, and implementation details.