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Here is my solution for day 2 of Advent of Code:
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Here is my solution for day 1 of Advent of Code:
defmodule Day01 do
def part1(input) do
all = parse(input)
{first, second} = E...
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Today is a brute-force day: advent-of-code-2024/lib/advent_of_code2024/day6.ex at main · ibarakaiev/advent-of-code-2024 · GitHub
Takes a...
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Here’s my day 3 code
This was quite easy. I was afraid Part 2 would be “un-regex-able” and was preparing for hand crafting automata bu...
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I said I was on a break, but I took a sneak peak and it looked fun so…
Part 1 completes in half a millisecond with a single pass of the ...
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Here is my solution for day 4:
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Today’s problem is really tense. I don’t think I can do it without libgraph.
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Everything went smoothly today.
Nothing to change to solve part 2 because I already used memoization for part 1 (it looked like an AoC e...
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Not the prettiest but it works
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Gosh this one took me sooo much time.
At first I was trying to iterate each digit independently on the input A number to make digits cha...
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At first I was scared but I found is a simple way to compute the sides.
defmodule AdventOfCode.Solutions.Y24.Day12 do
alias AdventOfCo...
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I found today a bit tedious: advent-of-code-2024/lib/advent_of_code2024/day15.ex at main · ibarakaiev/advent-of-code-2024 · GitHub.
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A frustrating one for me. I spent a long time trying to understand why some combinations resulted in fewer presses and struggled to keep ...
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Anyone have a solution to Part 2 today? Part 1 was straight forward, but I can’t figure out a programatic way to do part 2. I understand ...
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This one was much easier for me than yesterday’s. Part 1 runs in 22ms and part 2 runs in ~3s.
defmodule BridgeRepair do
def parse_inpu...
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After getting the correct answer for both parts, I spent some time optimizing the execution time. Now the combined time for both parts is...
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Today was a nice break from Day 21. Part 2 is just brute-force, with a bit of optimization tracking what sequences return how many banana...
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This puzzle was a nice break after the difficult Day 17! . advent-of-code-2024/lib/advent_of_code2024/day18.ex at main · ibarakaiev/adven...
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This one wasn’t too bad :slight_smile: I actually ended up solving part 2 first, and had to work around it in part 1 to get the answer th...
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This one was scary at first.
I loved how part one directs you into an obvious optimization, and then part 2 kicks your butt by asking to...
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This wraps up Advent of Code 2024 for me. Looking back on the puzzles, here are the ones I found to be the hardest:
Day 11: Plutonian P...
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I think I was clever by precalculating a search area to iterate over:
Part 1 example (5.7ms): 0
Part 1 input (93.0ms): 1417
Part 2 exam...
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This was surprisingly easy.
After a quick attempt to use digraph, I implemented by own straightforward algorithm to find the groups. To...
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Here are the solutions I came up with for today:
Part 1:
defmodule Day3.Part1 do
def solve() do
File.stream!("03/input.txt")
...
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