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day06.js
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day06.js
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const readFrom = require("./read-input");
const args = process.argv;
const input = readFrom(args);
if (!input) return;
const timeToDistance = input.split("\n").map((line) =>
line
.split(":")[1]
.trim()
.split(/\s+/)
.map((n) => parseInt(n))
);
const partOneResult = timeToDistance[0].reduce((multiplies, time, index) => {
let waysToBeat = 0;
for (let i = 0; i < time; i++) {
const distancePossible = (time - i) * i;
if (distancePossible > timeToDistance[1][index]) {
waysToBeat++;
}
}
return multiplies * waysToBeat;
}, 1);
console.log(partOneResult);
const [time, distance] = input
.split("\n")
.map((line) => parseInt(line.split(":")[1].trim().split(/\s+/).join("")));
let partTwoResult = 0;
for (let i = 0; i < time; i++) {
const distancePossible = (time - i) * i;
if (distancePossible > distance) {
partTwoResult++;
}
}
console.log(partTwoResult);