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Use sum_by and product_by
Dec 21, 2024
e95271f · Dec 21, 2024

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day_07
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Dec 9, 2023
README.md
README.md
Dec 3, 2024
day_01.ex
day_01.ex
Aug 17, 2024
day_02.ex
day_02.ex
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day_03.ex
day_03.ex
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day_10.ex
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README.md

Advent of Code 2015

Main Page | Tests

2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024

🏆 48/50

Day Problem Page Status Difficulty Solution Page Test Page Tags
1 Not Quite Lisp 🥇 ❄️ day_01.ex day_01_test.exs sequence, rust
2 I Was Told There Would Be No Math 🥇 ❄️ day_02.ex day_02_test.exs geometry2d, rust
3 Perfectly Spherical Houses in a Vacuum 🥇 ❄️ day_03.ex day_03_test.exs grid, set, rust
4 The Ideal Stocking Stuffer 🥇 ❄️ ❄️ day_04.ex day_04_test.exs md5, annoying
5 Doesn't He Have Intern-Elves For This? 🥇 ❄️ day_05.ex day_05_test.exs string
6 Probably a Fire Hazard 🥇 ❄️ ❄️ ❄️ day_06.ex day_06_test.exs grid, vector, reduction, slow
7 Some Assembly Required 🥇 ❄️ ❄️ ❄️ day_07.ex day_07_test.exs genserver, data-modelling, op-code
8 Matchsticks 🥇 ❄️ ❄️ ❄️ day_08.ex day_08_test.exs string-encoding, annoying
9 All in a Single Night 🥇 ❄️ ❄️ day_09.ex day_09_test.exs graph, routing
10 Elves Look, Elves Say 🥇 ❄️ day_10.ex day_10_test.exs string-encoding, sequence, reduction
11 Corporate Policy 🥇 ❄️ day_11.ex day_11_test.exs sequence, char-sequence, validation
12 JSAbacusFramework.io 🥇 ❄️ day_12.ex day_12_test.exs json
13 Knights of the Dinner Table 🥇 ❄️ ❄️ day_13.ex day_13_test.exs brute-force, combinatorics, slow
14 Reindeer Olympics 🥇 ❄️ ❄️ day_14.ex day_14_test.exs measurement, recursion, sequence
15 Science for Hungry People 🥇 ❄️ ❄️ ❄️ day_15.ex day_15_test.exs quadratic-time, not-fast-enough, sequence, needs-improvement
16 Aunt Sue 🥇 ❄️ ❄️ ❄️ day_16.ex day_16_test.exs hard-description, count
17 No Such Thing as Too Much 🥇 ❄️ ❄️ day_17.ex day_17_test.exs not-fast-enough, combinatorics
18 Like a GIF For Your Yard 🥇 ❄️ ❄️ ❄️ day_18.ex day_18_test.exs grid, map, not-fast-enough
19 Medicine for Rudolph 🥇 ❄️ ❄️ ❄️ day_19.ex day_19_test.exs not-fast-enough, needs-improvement, vector, random-access
20 Infinite Elves and Infinite Houses 🥇 ❄️ ❄️ ❄️ ❄️ day_20.ex day_20_test.exs slow, infinite-sequence, sequence
21 RPG Simulator 20XX 🥇 ❄️ ❄️ ❄️ ❄️ day_21.ex day_21_test.exs double-parse, data-modelling, combinatorics, strategy
23 Opening the Turing Lock 🥇 ❄️ ❄️ ❄️ day_23.ex day_23_test.exs op-code, emulation
24 It Hangs in the Balance 🥇 ❄️ ❄️ ❄️ ❄️ ❄️ day_24.ex day_24_test.exs not-fast-enough, power-set, ambiguous-solution
25 Let It Snow 🥇 ❄️ ❄️ ❄️ day_25.ex day_25_test.exs table-lookup, modular-arithmetic