Press n or j to go to the next uncovered block, b, p or k for the previous block.
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const path = require('path')
function extractCalibrationValue(inputString) {
const inputArray = [...inputString]
const integersFound = []
for (const element of inputArray) {
if (!isNaN(parseInt(element))) {
integersFound.push(element)
}
}
const lastIndex = integersFound.length - 1
return parseInt(integersFound[0] + integersFound[lastIndex])
}
function resolvePuzzle1() {
let content = fs
.readFileSync(process.cwd() + '/day1/puzzle_input.txt')
.toString()
const puzzle = content.split('\n')
puzzle.pop() // blank line
let sum = 0
for (const line of puzzle) {
sum += extractCalibrationValue(line)
}
return sum
}
module.exports = { extractCalibrationValue, resolvePuzzle1 }
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