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analyze.js
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analyze.js
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const fs = require('fs')
const _ = require('lodash/fp')
const wordList = fs.readFileSync('./wordlist.txt', 'utf8')
const words = _.map(_.truncate({length: 4, omission: ''}), wordList.split('\n').slice(0, -1))
const lookup = []
function createLookup () {
for (let i = 0; i < words.length; i++) {
const word = words[i]
const wordLookup = {}
for (let j = 0; j < word.length; j++) {
const letter = word[j]
wordLookup[letter] = (wordLookup[letter] || 0) + 1
}
lookup[i] = wordLookup
}
}
function computeRing (ring) {
let maxOccurances = 0
let biggest
for (let i = 0; i < words.length; i++) {
const wordLookup = lookup[i]
let occurances = 0
for (let j = 0; j < ring.length; j++) {
const ringLetter = ring[j]
occurances += (wordLookup[ringLetter] || 0)
}
if (occurances > maxOccurances) {
maxOccurances = occurances
biggest = i
}
maxOccurances = _.max([occurances, maxOccurances])
}
console.log('rings: %d, word: %s', maxOccurances, words[biggest])
return maxOccurances
}
function computeConfig (rings) {
let sum = 0
for (let i = 0; i < 5; i++) {
sum += computeRing(rings[i])
}
console.log(12 * sum)
}
createLookup()
// const srings = [
// 'bcdfln',
// 'kmpqvz',
// 'aeiouy',
// 'ghrstw',
// 'jx'
// ]
const _rings = `hnvxyz
bcdrtw
aeikou
fglmps
jq`
const ssrings = _.map(_.split(''), _.split('\n', _rings))
console.log(ssrings)
computeConfig(ssrings)