advent-of-code-2021's Introduction

Advent Of Code 2021

Run in linqpad 7

~~Not trying to be elegant or efficient, just having fun so don't judge too harshly.~~

Not aiming for perfection, just having fun so don't judge too harshly.

That said I really wasn't happy with my naive first attempt for day 5 which ran for ~8 seconds so I guess I do care a little about optimizing for runtime.

Results

Day	Both parts included	Runtime	Comments	Cheated
1	✔️	0.001 s		❌
2	❌	0.001 s	Overwrote part 1, before I was planning on sharing	❌
3	❌	0.007 s	Overwrote part 1, before I was planning on sharing	❌
4	✔️	0.033 s		❌
5	✔️	0.046 s	First attempt took ~8 seconds to run for part 1	❌
6	✔️	0.001 s	First attempt out of memory part 2, also very long runtime	❌
7	✔️	0.18 s	Pretty good first try, could probably cleanup but I'm happy.	❌
8	✔️	0.006 s	That was a right PITA	❌
9	✔️	0.010 s	Rushed catching up, probably much better ways to solve.	❌
10	✔️	0.001 s	Sounded more fun than it was.	❌
11	✔️	0.035 s	Rushed catching up, probably much better ways to solve.	❌
12	✔️	~6.5 s	Didn't enjoy this one.	❌
13	✔️	0.001 s	Day 13 was really good fun!!!	❌
14	✔️	0.001 s	I didn't learn my lesson and ran out of memory first attempt at part 2.	❌
15	✔️	~0.4 s	Googled AStar which was first thing that came to mind, eventually pretty much stole someone else implementation for Dijkstra.	✔️

Day 13 plotted.

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