Contribution #11389

Problem: en/6.2.12

Added Luis's English solution of 6.2.12

Editor: Luis Daniel Fernández Quintana ( @Luisito )

Time: October 12, 2024 at 02:52 AM

GitHub commit: 3e8598b6053897d826c9ca6eae711880652120d5

+119 -9 lines changed