Created
December 8, 2018 05:45
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const fs = require('fs') | |
const input = fs.readFileSync('./input8.txt'); | |
let mapOfValues = {} | |
function readChild(offset, input) { | |
let metaSum = 0; | |
let current = offset; | |
const numchildren = input[current]; | |
console.log('NumChildren', numchildren); | |
current++; | |
const nummeta = input[current]; | |
console.log('NumMeta', nummeta); | |
current++; | |
let currentChildren = []; | |
for (let i = 0; i < numchildren; i++) { | |
let { value, current: next } = readChild(current, input) | |
current = next; | |
currentChildren.push(value); | |
} | |
for (let j = 0; j < nummeta; j++) { | |
if (numchildren === 0) { | |
metaSum += input[current]; | |
} else { | |
console.log(currentChildren, input[current]) | |
metaSum += currentChildren[input[current] - 1] || 0; | |
} | |
current++; | |
} | |
console.log('ChildVal', metaSum) | |
return { value: metaSum, current }; | |
} | |
function solve(input) { | |
const { value, current } = readChild(0, input); | |
console.log(value) | |
} | |
// solve('2 3 0 3 10 11 12 1 1 0 1 99 2 1 1 2'.toString().split(/ /gm).filter(s => s.trim() !== '').map(e => Number(e))) | |
solve(input.toString().split(/ /gm).filter(s => s.trim() !== '').map(e => Number(e))) |
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