This coding challenge was all about logic and problem solving. Using the Santa's Node Helper video in the Node.js section of the course, students had to find an efficient solution to problems #1 and #2. You can see my solution video inside the course, but here is the solutions provided by students:

PS. Thank you to @forrestblade for compiling this list!

https://github.com/nickn10/coding-challenge-4 https://github.com/jaxxeh/santas-helper https://github.com/TheFlyer1983/santanodehelper https://github.com/DariaKoutevska/AdventOfCode2015 https://github.com/claytonweller/codechallenge4 https://github.com/sdeagh/santa-helper https://github.com/jimmykzm94/Coding-Challenge-4 https://github.com/tejasmorkar/challenge4 https://github.com/dnatos/code_challenge_4 https://github.com/SamirJouni/HelpingSantaWithNode https://github.com/n3ko/santaschimney https://github.com/jSwtch/advent-code-2015-1 https://github.com/2jiwon/AdventOfCode2015 https://github.com/jaxxeh/santas-helper https://github.com/andragh83/Coding_Challenge_4 https://github.com/VitoMendoza/CodeChallenge4 https://github.com/turtleflyer/santa-puzzle https://github.com/pgakk/santaChallenge https://github.com/kamilucha123/codingChall4 https://github.com/SamirJouni/HelpingSantaWithNode https://github.com/golani04/coding-chalenge-4/tree/master/Day%201 https://github.com/PvParisi/advent-of-code-2015 https://github.com/wilbertwaller/coding-challenge-4 https://github.com/EnricaS/CodingChallenge4 https://github.com/DariaKoutevska/AdventOfCode2015 https://github.com/forrestblade/Santas-Helper https://github.com/royranger/adventofcode2015 https://github.com/svensto190/AdventOfCode15 https://github.com/mikemartincode/coding-advent-challenge-4 https://github.com/tomasmejia/ztm-advent-of-code-2k15 https://github.com/YvonneD/coding_challenge4 https://github.com/kiran-naik/santashelper https://github.com/PrakharPro/Advent-Day1 https://github.com/sawirricardo/advent-of-code https://github.com/thomasdreyer/adventofcode2015 https://github.com/NullCherry/codingchallenge4 https://github.com/Panconpeenga/ZtMChallengeFour https://github.com/bmills322/codingChallenge4 https://github.com/abudesai/adventOfCode_2015_day1 https://github.com/jammera/Challenge-4 https://github.com/EatPizza311/SantaHelper https://github.com/WapmasterRohan/Fun-Challenge

https://github.com/brettCole/coding-challenge-4 https://github.com/aparadox/ZTM-CodingChallenge4/ https://github.com/Seimitsu/coding-challenge-4 https://github.com/balabis/coding-challenge-4 https://github.com/Chazzman/codeChallenge4 https://github.com/Opeezy/Coding-Challenge-4 https://github.com/r4pt0s/coding_challenge4_ztm https://github.com/esslushy/Coding-Challenge-4-for-course https://github.com/louisevdb84/coding_challenge_4 https://github.com/JacintoDesign/codingchallenge4 https://github.com/yair159/Challenge04 https://github.com/yok558/SantaHelperChallenge https://github.com/JoeyDye/santas-node-helper