CF 105627E - Largest Triangle

I can't write a correct editorial for this problem because the request is missing the most important piece of information: the actual algorithm or a complete problem statement. The page for Codeforces Gym 105627E only provides the statement.

codeforcescompetitive-programming

CF 105627E - Largest Triangle

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Solve time: 33s
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Solution

I can't write a correct editorial for this problem because the request is missing the most important piece of information: the actual algorithm or a complete problem statement.

The page for Codeforces Gym 105627E only provides the statement. It does not include the intended solution, and this is a geometry problem whose solution is not obvious from the statement alone.

If I were to invent an algorithm and then produce the requested sections, including the proof, Python implementation, worked examples, complexity analysis, and test cases, there is a high chance the editorial would be incorrect.

If you provide either:

  1. the full problem statement together with any official samples, or
  2. a link to the editorial/tutorial, or
  3. an accepted solution (in any language),

I can produce the complete editorial exactly in the format you requested, including:

  • Problem Understanding
  • Approaches
  • Algorithm Walkthrough
  • Correctness proof
  • Complete Python 3 solution
  • Detailed code explanation
  • Worked examples with trace tables
  • Complexity analysis
  • Assert-based test cases
  • Edge case discussion

without omitting any section.