Contribution #9827

Problem: ru/9.1.2

Updated 9.1.1-9.1.4 solutions

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: October 3, 2024 at 02:48 AM

GitHub commit: f33e70f7fc9ec85b01c72b11cf010837d5f3da8e

+82 -92 lines changed