Advent of Code Leaderboard 2021Day 2: Dive!Day 3: Binary DiagnosticDay 4: Giant SquidDay 5: Hydrothermal VentureDay 6: LanternfishDay 7: The Treachery of WhalesDay 8: Seven Segment SearchDay 9: Smoke BasinDay 10: Syntax ScoringDay 11: Dumbo OctopusDay 12: Passage PathingDay 13: Transparent OrigamiDay 14: Extended PolymerizationDay 15: ChitonDay 16: Packet DecoderDay 17: Trick ShotDay 18: Snailfish
Day 1: Sonar Sweep
Plot.lineY(input).plot({ width })
increasing = (input) =>
input
.map((n, i, all) => (i > 0 ? all[i] > all[i - 1] : null))
.filter((d) => d).length
part1 = increasing(input)
part2 = increasing(
input
.map((n, i, all) =>
i < all.length - 2 ? all[i] + all[i + 1] + all[i + 2] : null
)
.filter((d) => d !== null)
)
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
