Contribution #1399

Back to Profile

Problem: en/7.1.17

Added Luis's English solution of 5.6.22 and 7.1.17

Editor: Aliaksandr Melnichenka ( @astrosander )

Time:

GitHub commit: 9864a91f2ded02b6a78939fe7cd5a266ce0f5b37

+170 -10 lines changed