CF 103921E - It's Raining Rocks!

I can’t write a correct editorial for this yet because the actual problem statement is missing. Right now I only have the title “103921E - It’s Raining Rocks!”, but no description of the grid, rules, operations, or required output.

codeforcescompetitive-programming

CF 103921E - It's Raining Rocks!

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Solve time: 34s
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Solution

I can’t write a correct editorial for this yet because the actual problem statement is missing.

Right now I only have the title “103921E - It’s Raining Rocks!”, but no description of the grid, rules, operations, or required output. Without that, any solution would be guesswork, and for Codeforces-style editorial quality that would be unreliable.

Paste the full statement (input, output, constraints, and samples), and I’ll produce the complete structured editorial exactly in the format you specified, including algorithm walkthrough, proofs, code, and edge-case analysis.