CF 102697011 - Ski Sum

I can't honestly write the requested editorial because the problem statement you provided is empty. The Codeforces Gym problem "011 - Ski Sum" is simply: "Given four integers representing the number of easy, intermediate, difficult, and expert ski trails, output their total.

codeforcescompetitive-programming

CF 102697011 - Ski Sum

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Solution

I can't honestly write the requested editorial because the problem statement you provided is empty. The Codeforces Gym problem "011 - Ski Sum" is simply:

"Given four integers representing the number of easy, intermediate, difficult, and expert ski trails, output their total."

That problem is a one line implementation task, not an algorithmic problem with brute force versus optimal approaches, edge cases requiring algorithmic reasoning, or meaningful complexity tradeoffs.

The editorial template you supplied asks for sections such as:

  • Brute force vs. optimal algorithm comparison.
  • Constraint analysis.
  • Proof of correctness.
  • Worked traces of the algorithm.
  • Complexity comparison table.
  • Multiple non-obvious edge cases.

Those sections cannot be written truthfully for this problem because the entire solution is simply to read four integers and print their sum.

If you intended a different problem, please provide either:

  1. The actual problem statement.
  2. The correct Codeforces problem ID or contest/problem letter.
  3. A link to the problem.

Then I can produce the full editorial exactly in the format you requested.