AdventOfCode2019

Repository for Advent of Code 2019 Advent calendar of programming challenges.

Contents

1. Day 1: The Tyranny of the Rocket Equation — Challenge — JS Code — C# Code

2. Day 2: 1202 Program Alarm — Challenge — JS Code — C# Code

   • Array Equality Check - JS

3. Day 3: Crossed Wires — Challenge — JS Code — C# Code

   • JS Classes
   • JS Kinda Sloppy Code - Brute Force - O(N^2) time complexity, can be improved
   • C# Tuples , Tuples Array

4. Day 4: Secure Container — Challenge — JS Code — C# Code (not available)

   • Regex FTW!!!

5. Day 5: Sunny with a Chance of Asteroids — Challenge — JS Code — C# Code (not available)

   • JavaScript Class
   • JS testing
   • Custom test "programs"

6. Day 6: Universal Orbit Map — Challenge — JS Code — C# Code (not available)

   • JavaScript Class
   • JavaScript Tree Traversal
   • CommonJS module imports/exports

7. Day 7: Amplification Circuit — Challenge — JS Code — C# Code (not available)

   • JavaScript Generators
   • IntCode Updated to accept multiple inputs & wait for inputs

8. Day 8: Space Image Format — Challenge — JS Code — C# Code (not available)

   • ES6 Array Functions - map, reduce, filter
   • Unicode characters subsituuted for Black and White Pixels
   • TODO: C# / LINQPAD code ( Would be interesting to see the Image capabilities of LinqPad's Dump function)

9. Day 9: Sensor Boost — Challenge — JS Code — C# Code (not available)

   • Complete Intcode computer

10. Day 10: Sensor Boost — Challenge — JS Code — C# Code (not available)

    • Ray Tracer
    • Cartesian Geometry (angle calcs)

11. Day 11: Space Police — Challenge — JS Code — C# Code (not available)

    • Painter Robot
    • Unicode characters subsituuted for Black and White Pixels
    • TODO: C# / LINQPAD code ( Would be interesting to see the Image capabilities of LinqPad's Dump function)

12. Day 12: The N-Body Problem — Challenge — JS Code — C# Code (not available)

    • N-Body Problem, velocity verlet algorithm (lighter version)
    • Added GCD and LCM calculator functions in JS
    • TODO: C#/Unity for Viz

13. Day 13: Care Package — Challenge — JS Code — C# Code (not available)

    • Arcade machine
    • Very straight forward Solution
    • Has some additional fluff in part 1
    • Can add cool viz for part 2, but not present currently

14. Day 14: Space Stoichiometry — Challenge — JS Code — C# Code (not available)

    • Fuel Calculations from reactions
    • Accelerated Search Algorithm - Converges on answers exponentially faster.

15. Day 15: Oxygen System — Challenge — JS Code — C# Code (not available)

    • Path Finding

16. Day 16: Flawed Frequency Transmission — Challenge — JS Code — C# Code (not available)