Public
Edited
Dec 16, 2023
day6a = [
{ time: 38, distance: 234 },
{ time: 67, distance: 1027 },
{ time: 76, distance: 1157 },
{ time: 73, distance: 1236 }
]
.map((race) =>
d3
.range(race.time)
.slice(1)
.map((speed) => {
let timeRemaining = race.time - speed;
return timeRemaining * speed;
})
.filter((distance) => distance > race.distance)
)
.map((d) => d.length)
.reduce((a, v) => a * v, 1)
day6b = [{ time: 38677673, distance: 234102711571236 }]
.map((race) =>
d3
.range(race.time)
.slice(1)
.map((speed) => {
let timeRemaining = race.time - speed;
return timeRemaining * speed;
})
.filter((distance) => distance > race.distance)
)
.map((d) => d.length)
//.reduce((a, v) => a * v, 1)
cardValues = ({
A: "E",
K: "D",
Q: "C",
J: "B",
T: "A",
"9": 9,
"8": 8,
"7": 7,
"6": 6,
"5": 5,
"4": 4,
"3": 3,
"2": 2
})
Object.entries(cardValues).map((d) => d[0] + " " + String(d[1]).charCodeAt(0))
day7
.split("\n")
.map((d) => d.split(" "))
.map((d) => {
let hand = d[0];
let bid = d[1];
hand = hand
.split("")
.map((c) => cardValues[c])
.join("");
let dupes = hand
.split("")
.sort()
.join("")
.match(/(.)\1+/g);
dupes = dupes ? dupes : [];
return dupes;
})
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.
