Advent of Code 2021 Day 1 (BaseA Style) - Sonar Sweep

[jdunkerley79]

Discussion thread for day 1 of the Advent of Code 2021 - https://adventofcode.com/2021/day/1

[estherb47]

Deceptively easy, as all of the day ones have been thus far....

[jdunkerley79]

and so it begins ...

Easy day 1...

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Expect it will get harder!

[NicoleJohnson]

They're trying to lull you into complacency, Esther. DON'T FALL FOR IT!! Intcode could be just around the corner!!! ***DOOOOOOM***

Totally agree, feel like this one was simple (thank you, Multi-Row Formula), but I am still impressed/annoyed at the overall AoC leaderboard folks who apparently solved both puzzles in less than 2 minutes.

Like, it takes me two minutes to remember what year this is.

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[Balders]

Nice gentle start this year

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A neat trick for this one is if you're comparing ABC with BCD then you only need to compare A with D, and multi-row lookup 3 rows back will do you fine in one tool. 

[Jean-Balteryx]

As everybody, not so hard start ! 

[cgoodman3]

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As usual day 1 is fine, it's always interesting (like with weekly challenges) seeing others solutions and seeing tool golf like with @Balders solution.

[Aguisande]

Agree... Day 1 is always easy. But don't worry, it WILL get harder.

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[AmandaH]

This is my first time participating and this was a nice easing in. Looking forward to the harder challenges!

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[OllieClarke]

Easing in gently 🙂

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