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Reflection 2022.md

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Reflection

Day 01

24/15; points: 163, 17th place

  • OMFG, awesome start
  • add max(n) and all related functions

Day 02

59/12; points: 131, 5th place

  • WHU??
  • Hardcoded stuff, seems like I wasn't the only one
  • Lost quite some time rereading stuff
  • maybe add a mod infix function to do mod stuff?

Day 03

39/21; points: 142, 4th place

  • ????
  • Lost a bunch of time checking assumptions I made by reading the problem text
  • splitIn
  • Iterable<Set<T>>.union and intersect

Day 04

27/15; points: 160, 5th place

  • separated by minus signs => use posInts()

note: I want to add these helpers

  • HetN for n in 2-9
  • DFS

Day 05

64/73; points: 65, 4th place

  • input parsing took long
  • Don't know why I went with Deques
  • Note from 07/06/2023: can I index with ranges/progressions? if not, add that

Day 06

114/108; points: 0, 15th place

  • lost a lot of time trying to understand which value to return
  • also firstIndexOf indeed existed, should have trusted myself
  • nim-ka has some interesting utils I should steal
    • rotate left and right

note: I want to add thes helpers

  • Line3D (maybe LineG?)
  • maybe Bounds3D? (already have BoundsG)
  • splitAt
  • grid.findPoints / findSinglePoint (throws if multiple match)
    • update y17d22
    • => grid.find
  • pure state loop
    • update y18d18 and others (look for maps)
  • allMaxByKey/value

Day 07

388/320; points: 0, 20th place

Day 08

32/1871; points: 69, 24th place

  • My morning routine was un acceptable. Lost multiple points in part 1 because of that

  • Also please no sleep revenge, it's not helping

  • ... I have a 13 minutes warning and 3 minute warning

    • at 13 is the moment I should start making sure the early part of the checklist gets done
    • at 3 minutes the middle part should be FULLY DONE

  • Bound edges

  • norths/easts/souths/wests

  • Make grid iterable of BoundedGridPoints

    • p -> point
    • v -> value
    • b -> bounds
    • g -> grid
    • mirror neighbours
      • only those in the bounds, map the coordinates to BoundedGridPoints too

Day 09

53/171; points: 48, 26th place

  • I can't believe I choked part 2 again
  • forgot the repeating part of part 1 somehow
  • and an off by 1 for part 2
  • update pointHelpers
  • applyNTimes
  • point + pointL exists, but not for 3d (maybe also make if for nd?)

Day 10

176/110; points: 0, 27th place

  • Missed the fact x had to start at 1
  • had 2 off by one errors that cancelled each other during part 1

Day 11

67/162; points: 34, 32th place

  • why did I not realize I'd need to use modulo
  • Sint (Safe integer)

Day 12

7/17; points: 178, 25th place

  • =| why is the difference between part 1 and 2 only 1 :whyy:
  • make bfs and family versions that take in a list of start nodes :|
  • dijkstra needs sint overloads

also:

  • move points to sint
  • make BoundedGridPoint + Point and all those things?

Day 13

95/67; points: 40, 30h place

  • JSON? JSON??? since when are we doing JSON???

Day 14

154/78; points: 23, 29th place

  • Made a wrong assumption =/

Day 15

195/795; points: 0, 33th place

  • I knew something was off with my last step but /shrug

Day 16

66/354; points: 35, 32th place

  • Lost a bit of time on part 1 due to not having a good vision of a solution
  • Caved in after 1.5 hours for part 2 ad checked the subreddit
  • add a way to reduce graphs

Day 17

60/399; points: 41, 31th place

  • I made an off by one typo? for part 1
  • I copied the wrong fucking value for part 2

Day 18

5/5; points: 192, 28th place

  • WHOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
  • make sint range a collection

Day 19

591/576; points: 0, 28th place

  • Pfffft

Day 20

266/247; points: 0, 31th place

  • didn't see I had to count from the value 0, had a bunch of code just to handle counting from the start.
  • while trying to find the bug, I just introduced more bugs -_-

Day 21

107/503; points: 0, 35th place

Day 22

68/279; points: 33, 36th place

  • make grids use Bounds and Points ...

Day 23

22/32; points: 148, 33th place

  • allIn and family did a conversion to set even if the input was a set -_-

Day 24

129/113; points: 0, 36th place

  • spend too much time on making the updates on grid, that I had to rush starting, and apparently I stopped the recording instead of downloading my input
  • could just have done a bounds.retract

Day 25

32/28; points: 142, 32th place

  • Whooo, some balanced based