Contribution #9834

Problem: ru/9.1.7

Updated 9.1.5-9.1.9 solutions

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: October 3, 2024 at 09:15 PM

GitHub commit: 7836c4267327fc5ac1fc5319b5d9b8b5e3bab385

+92 -93 lines changed