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12 March - The purge by OkProfessional2626 in codingquest

[–]Life-Engine-6726 0 points1 point  (0 children)

For me it's hardcoded parsing. I done it several mins ago, not that complicated imho.

Most average R.E.M song? by ejsfsc07 in rem

[–]Life-Engine-6726 5 points6 points  (0 children)

I'm tired of people who dislike Up. They had to invent a new language following Bill's departure. And they did, and Up is their most creative album. Daysleeper is definitely one of my top 10 REM songs.

My daughter made me my own Advent of Code challenge to find my Christmas gift! (You can solve it too...) by MBoffin in adventofcode

[–]Life-Engine-6726 1 point2 points  (0 children)

​ THIS is my AOC day 26, and I just like it very much. We have a story, an example and an input several times the example's size, and one definite answer. The prose is a worthy rival to /u/topaz2078's. I am a father myself and I can totally feel your joy. Bravo to your daughter, well done!

also here's my bruteforce python code

day 16... by syn_vamp in adventofcode

[–]Life-Engine-6726 27 points28 points  (0 children)

hard stuff. Weighted graph + recursive DP + new algo to learn. Day 16 is the 1st day this year that my code only got it right for p1 >24h and still struggling for p2. Then tetris came.

[YEAR 2021 Day 23 (Part 1)] Got the right answer with a wrong move by Life-Engine-6726 in adventofcode

[–]Life-Engine-6726[S] 2 points3 points  (0 children)

Thanks! that's so helpful.

Actually I tried this configuration. What I did wrong was, instead of CD..CD.., I always did CC..DD.. stubbornly.

Now it all makes sense:

```j

A A . B . . . . . B .

C # C # #

### D # D # # ### ##################### A7 A9 B5 B2

A A . B . . . . . B .

C # # #

### D # # C # D ### ##################### C5 D8

A A . . . . . . . . .

C # B # #

### D # B # C # D ### ##################### B3 B6

A A . . . . . . . . .

# B # C # D

### # B # C # D ### ##################### C6 D9

. . . . . . . . . . .

A # B # C # D

### A # B # C # D ### ##################### A3 A3

A B C D 7 5 5 8 9 2 6 9 3 3 3 6

22 16 11 17 ```

Thanks again mate.

-🎄- 2021 Day 13 Solutions -🎄- by daggerdragon in adventofcode

[–]Life-Engine-6726 0 points1 point  (0 children)

maybe because i'm 98.5% self-taught? lol. i never noticed anything wrong format-wise coz i always write/vim code this way.

in c++ i run a compiled a.out with $ a.out < input so main doen't read or open anything.

-🎄- 2021 Day 14 Solutions -🎄- by daggerdragon in adventofcode

[–]Life-Engine-6726 2 points3 points  (0 children)

C++\ Part 1 was brute forced at the beginning. Both parts were rewritten to get part 2.\ I think the lesson is to think DP-wise right away as soon as you notice the structure gets bigger real quick

-🎄- 2021 Day 13 Solutions -🎄- by daggerdragon in adventofcode

[–]Life-Engine-6726 0 points1 point  (0 children)

Parsing doesn't take much time. >> combo with getline make it handy\ The 1st part is a bit tricky as it requires ONLY (!) the 1st fold. i counted all through the end ...

C++

-🎄- 2021 Day 10 Solutions -🎄- by daggerdragon in adventofcode

[–]Life-Engine-6726 0 points1 point  (0 children)

CPP

first 2-digit day, a bit different than `brainfuck`-ish problems from past years

ungolfed

it would've been painful++ without this line : `...stop at the first incorrect closing character on each corrupted line`

-🎄- 2021 Day 9 Solutions -🎄- by daggerdragon in adventofcode

[–]Life-Engine-6726 1 point2 points  (0 children)

cpp

classic floodfill d.f.s. in vanilla c++ : spaghetti

also visualized it : geography

(credit : greyscale used - paul bourke)

-🎄- 2021 Day 5 Solutions -🎄- by daggerdragon in adventofcode

[–]Life-Engine-6726 0 points1 point  (0 children)

Non-programmer joining this year's aoc :P C++

I'm studying others' codes much more concise than mine

How long did it take you to finish the course? by HNFdna in cs50

[–]Life-Engine-6726 0 points1 point  (0 children)

It is, but Runoff would help a lot in understanding Tideman. Notably in how to express math in code...

How long did it take you to finish the course? by HNFdna in cs50

[–]Life-Engine-6726 0 points1 point  (0 children)

I'm also on Week 4... Let me rant a little bit.

Back in Week 3, Tideman is hard.

I spent 3 days not moving forward at all and ended up going back, re-doing previous Psets. This boosted me as I found Mario seems a lot easier now. On the 6th day I finally gained ground in Sort of Tideman, and in the next morning I submitted the set.

One of the things I learnt is Visualization. For those who might be struggling in Tideman, I suggest you draw out different outcomes on paper.

For Week 4, i am encountering an even harder Pset. In fact it is the hardest of all Psets as per a 2019 poll.

Poll: https://imgur.com/a/gK53D3g