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Advent of Code 2023

Home | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025

⭐ 50/50

grid 7 graph 6 math 5 dynamic-programming 3 reduction 3 sequence 3 cycles 2 geometry 2 parsing 2 ranges 2 bfs 1 dijkstra 1 gb-tree 1 hash 1 logic-circuit 1 longest-path 1 map 1 measurement 1 min-cut 1 op-code 1 palindrome 1 pathfinding 1 pattern-matching 1 refactor 1 rotation 1 set 1 simulation 1 sliding-window 1 stack 1 state-space 1

Day Title Difficulty Tags Source
1 Trebuchet?! 🟢 parsing day_01.ex
2 Cube Conundrum 🟡 reduction day_02.ex
3 Gear Ratios 🟠 grid day_03.ex
4 Scratchcards 🟢 reduction, set day_04.ex
5 If You Give A Seed A Fertilizer 💀 gb-tree, ranges day_05.ex
6 Wait For It 🟢 math day_06.ex
7 Camel Cards 🟠 map, pattern-matching day_07.ex
8 Haunted Wasteland 🟡 math, sequence day_08.ex
9 Mirage Maintenance 🟢 reduction, sequence day_09.ex
10 Pipe Maze 💀 bfs, graph, grid day_10.ex
11 Cosmic Expansion 🟡 grid, measurement day_11.ex
12 Hot Springs 💀 dynamic-programming day_12.ex
13 Point of Incidence 🟠 palindrome, sliding-window day_13.ex
14 Parabolic Reflector Dish 🔴 dynamic-programming, grid, math, rotation day_14.ex
15 Lens Library 🟡 hash, sequence day_15.ex
16 The Floor Will Be Lava 🔴 dynamic-programming, grid day_16.ex
17 Clumsy Crucible 🔴 dijkstra, graph, grid, pathfinding, state-space day_17.ex
18 Lavaduct Lagoon 🔴 geometry day_18.ex
19 Aplenty 🔴 op-code, parsing day_19.ex
20 Pulse Propagation 🔴 cycles, graph, logic-circuit, math, simulation day_20.ex
21 Step Counter 🔴 cycles, graph, grid, math day_21.ex
22 Sand Slabs 💀 ranges, stack day_22.ex
23 A Long Walk 💀 graph, longest-path day_23.ex
24 Never Tell Me The Odds 💀 geometry, refactor day_24.ex
25 Snowverload 🔴 graph, min-cut day_25.ex