Contribution #419

Problem: ru/3.2.19

Added alternative solution to 3.2.3 3.2.4 3.2.6 3.2.7 3.2.8 3.2.9 3.2.10 3.2.11 3.2.12 3.2.13 3.2.14 3.2.18 3.2.19 3.2.20 3.2.21 3.2.22 3.2.23 3.2.24 3.2.25 3.2.28 3.2.29 3.2.31

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: November 4, 2023 at 12:19 PM

GitHub commit: fbdf26085bb27c1dfc6f9bc642b6026a9d71cebf

+59 -52 lines changed