History of 4.1.19

Revisions on September 1, 2026

• Edit to “Statement”

  Valter Sep 1, 2026, 1:53 PM
  +1 −1 #20491
• Edits to “Statement”, “Solution”, “Answer”

  Tete Sep 1, 2026, 3:19 AM
  +4 −4 #20490
• New solutionnew solution

  Tete Sep 1, 2026, 3:16 AM
  +15 −0 #20489