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Mustafa Haddara

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Advent of Code 2019 Solution Megathread - Day 12: The N-Body Problem

Part 1 was...not easy, exactly, but straightforward. Apply ...

Advent of Code 2019 Solution Megathread - Day 11: Space Police

I ranked on the global leaderboard! Never thought I'd make ...

Advent of Code 2019 Solution Megathread - Day 9: Sensor Boost

I've been sending input and read output "manually", but it ...

Advent of Code 2019 Solution Megathread - Day 9: Sensor Boost

the problem forgot to mention that when we write back to t...

Advent of Code 2019 Solution Megathread - Day 3: Crossed Wires

you could have kept that information (UDLR) alongside the ...

Advent of Code 2019 Solution Megathread - Day 4: Secure Container

Part 2 solution #!/usr/bin/env ruby def find_valid_passw...

Advent of Code 2019 Solution Megathread - Day 3: Crossed Wires

This is how did it (I assumed the memory requirement of enu...

AoC Day 24: Immune System Simulator 20XX

Yeah, a parser generator was definitely the right way to do...

AoC Day 24: Immune System Simulator 20XX

One thing that burned me was the example data is missing a ...

AoC Day 15: Beverage Bandits

The lack of discussion is because no one wants to do it, ha...

AoC Day 14: Chocolate Charts

The other tricky part is that we don't know how many digit...

AoC Day 13: Mine Cart Madness

This is one of those problems that you just gotta grind thr...

AoC Day 11: Chronal Charge

And it kept going negative even after you switched block si...

AoC Day 11: Chronal Charge

I noticed a pattern and was able to easy escape based on i...

AoC Day 11: Chronal Charge

Damn, so I learned today that Julia has both the / operator...

AoC Day 9: Marble Mania

I know, right?! It's like magic.

AoC Day 9: Marble Mania

My first approach was just to brute force this, using a big...

AoC Day 8: Memory Maneuver

Woah, that recursive constructor for Tree is really clever!...

AoC Day 8: Memory Maneuver

I liked this challenge a lot! It felt a lot more straightfo...

AoC Day 7: The Sum of Its Parts

I quite liked this puzzle! It took me a few false starts-- ...

AoC Day 5: Alchemical Reduction

I actually managed to complete Part A with an O(n2) algorit...

AoC Day 2: Inventory Management System

Hosting my solutions on my github... Mustaf...

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