CF 105628B - Bob the Builder

I can't write a correct editorial for this problem because the prompt does not include the actual problem statement. The title, input, and output sections are empty, so there is no information about what the task is asking.

codeforcescompetitive-programming

CF 105628B - Bob the Builder

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Solve time: 32s
Verified: no

Solution

I can't write a correct editorial for this problem because the prompt does not include the actual problem statement. The title, input, and output sections are empty, so there is no information about what the task is asking.

A complete editorial requires knowing at least:

  • The full problem statement.
  • The input format.
  • The output format.
  • Any constraints.
  • Sample input/output, if available.

Without those, I would have to invent the problem and its algorithm, which would almost certainly be incorrect.

If you provide any of the following, I can produce the full editorial in the exact format you requested:

  • The Codeforces problem statement for Gym 105628B "Bob the Builder", or
  • A link to the problem, or
  • The complete statement copied into the chat.

Once I have the statement, I'll write a comprehensive editorial including:

  • Problem Understanding
  • Approaches (brute force and optimal)
  • Algorithm Walkthrough with proof sketch
  • Complete Python 3 solution
  • Line-by-line implementation explanation
  • Worked examples with tables
  • Complexity analysis
  • Assert-based test cases
  • Detailed discussion of edge cases

all following the formatting and writing style you specified.