https://observablehq.com/@jwolondon/advent-of-code-2025-day-11
Advent of Code: 2025 Day 11 / Jo Wood | Observable
Dec 11, 2025 - See Reactor. Part 1 How many different paths lead from you to out? Parsing For this graph traversal problem, I made use of my GDS graph utility that can store,...
advent of code 2025day 11jo woodobservable
https://observablehq.com/@jwolondon/advent-of-code-2025-day-6
Advent of Code: 2025 Day 6 / Jo Wood | Observable
Dec 7, 2025 - See Trash Compactor. Part 1 Solve the problems on the math worksheet. What is the grand total found by adding together all of the answers to the individual...
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https://observablehq.com/@jwolondon/advent-of-code-2025-day-5
Advent of Code: 2025 Day 5 / Jo Wood | Observable
Dec 8, 2025 - See Cafeteria. Part 1 Process the database file from the new inventory management system. How many of the available ingredient IDs are fresh? Parsing We can...
advent of code 2025jo wooddayobservable
https://observablehq.com/@jwolondon/advent-of-code-2025-day-12
Advent of Code: 2025 Day 12 / Jo Wood | Observable
Jan 9, 2026 - See Christmas Tree Farm. Part 1 Consider the regions beneath each tree and the presents the Elves would like to fit into each of them. How many of the regions...
advent of code 2025day 12jo woodobservable
https://observablehq.com/@jwolondon/advent-of-code-2025-day-8
Advent of Code: 2025 Day 8 / Jo Wood | Observable
Dec 30, 2025 - See Playground. Part 1 Connect together the 1000 pairs of junction boxes which are closest together. Afterward, what do you get if you multiply together the...
advent of code 2025day 8jo woodobservable
https://observablehq.com/@jwolondon/advent-of-code-2025-day-3
Advent of Code: 2025 Day 3 / Jo Wood | Observable
Jan 9, 2026 - See Lobby. Part 1 Find the maximum joltage possible from each bank; what is the total output joltage? Consider the general case of the problem. We have...
advent of code 2025day 3jo woodobservable
https://observablehq.com/@jwolondon/advent-of-code-2025-day-10
Advent of Code: 2025 Day 10 / Jo Wood | Observable
Dec 11, 2025 - See Factory. Part 1 Analyze each machine's indicator light diagram and button wiring schematics. What is the fewest button presses required to correctly...
advent of code 2025day 10jo woodobservable