# Advent of Code 2021 Solutions to the [2021 Advent of Code](https://adventofcode.com/2021). --- \* means that a given day has a visualisation | Day | Status | Solutions | Notes | | ----------------------------------- | ------------------ | ------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------- | | 01 - Sonar Sweep | Complete | [Python](01-sonarSweep/py), [Go](01-sonarSweep/go), [Nim](01-sonarSweep/nim) | Numbers and sliding windows. | | 02 - Dive! | Complete | [Python](02-dive/py), [Go](02-dive/go) | Have this set of instructions and do something sensible with it. | | 03 - Binary Diagnostic | Complete | [Python](03-binaryDiagnostic/py), [Nim](03-binaryDiagnostic/nim) | Bit twiddling aplenty! | | 04 - Giant Squid | Complete | [Python](04-giantSquid/py) | B-I-N-G-O, B-I-N-G-O, B-I-N-G-O and Bingo was his name-o! | | 05 - Hydrothermal Venture | Complete | [Python](05-hydrothermalVenture/py), [Go](05-hydrothermalVenture/go), [Nim](05-hydrothermalVenture/nim) | Pointy. | | 06 - Lanternfish | Complete | [Python](06-lanternfish/py) | At this rate, the mass of the fish would surpass that of the Earth pretty quickly. | | 07 - The Treachery of Whales | Complete | [Python](07-theTreacheryOfWhales/py) | I'm not 100% sure my solution for part two is valid for all possible inputs. | | 08 - Seven Segment Search | Complete | [Python](08-sevenSegmentSearch/py), [Go](08-sevenSegmentSearch) | I may have taken the easy way out for part two, but it does work! No-one ever said the smart solution is the best solution, anyway. | | 09 - Smoke Basin * | Complete | [Python](09-smokeBasin/py) | Schmokey! Also, as it turns out, I struggle to implement basic logic. Fun. | --- ![Running times](running-times.png)