103 lines
3.5 KiB
JavaScript
103 lines
3.5 KiB
JavaScript
const fs = require('fs');
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// const inputArray = fs.readFileSync('sample.txt').toString().split("\n");
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let inputArray = fs.readFileSync('input.txt').toString().split("\n");
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let allInts = [];
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let sum = 0;
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// Part One
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for (i in inputArray) {
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const forwards = inputArray[i];
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const backwards = inputArray[i].split("").reverse().join("");
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let firstInt;
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let lastInt;
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for (j in forwards) {
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if (parseInt(forwards[j])) {
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firstInt = parseInt(forwards[j]);
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break;
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}
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}
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for (j in backwards) {
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if (parseInt(backwards[j])) {
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lastInt = parseInt(backwards[j]);
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break;
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}
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}
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allInts.push(parseInt(`${firstInt}${lastInt}`));
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}
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sum = allInts.reduce((a, b) => a + b, 0);
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console.log(sum);
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// Part Two
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// inputArray = fs.readFileSync('sample2.txt').toString().split("\n");
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allInts = [];
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for (i in inputArray) {
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let forwards = inputArray[i];
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let needsParsed = true;
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while (needsParsed) {
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for (j in forwards) {
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if (forwards[j] === "o" && forwards.substring(j,parseInt(parseInt(j)+parseInt(3))) === "one") {
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forwards = forwards.substring(0, j) + "1" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "t" && forwards.substring(j,parseInt(parseInt(j)+parseInt(3))) === "two") {
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forwards = forwards.substring(0, j) + "2" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "t" && forwards.substring(j,parseInt(parseInt(j)+parseInt(5))) === "three") {
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forwards = forwards.substring(0, j) + "3" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "f" && forwards.substring(j,parseInt(parseInt(j)+parseInt(4))) === "four") {
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forwards = forwards.substring(0, j) + "4" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "f" && forwards.substring(j,parseInt(parseInt(j)+parseInt(4))) === "five") {
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forwards = forwards.substring(0, j) + "5" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "s" && forwards.substring(j,parseInt(parseInt(j)+parseInt(3))) === "six") {
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forwards = forwards.substring(0, j) + "6" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "s" && forwards.substring(j,parseInt(parseInt(j)+parseInt(5))) === "seven") {
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forwards = forwards.substring(0, j) + "7" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "e" && forwards.substring(j,parseInt(parseInt(j)+parseInt(5))) === "eight") {
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forwards = forwards.substring(0, j) + "8" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (forwards[j] === "n" && forwards.substring(j,parseInt(parseInt(j)+parseInt(4))) === "nine") {
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forwards = forwards.substring(0, j) + "9" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
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break;
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} else if (parseInt(j) === forwards.length - 1) {
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needsParsed = false;
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}
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}
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}
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backwards = forwards.split("").reverse().join("");
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let firstInt;
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let lastInt;
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for (j in forwards) {
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if (parseInt(forwards[j])) {
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firstInt = parseInt(forwards[j]);
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break;
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}
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}
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for (j in backwards) {
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if (parseInt(backwards[j])) {
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lastInt = parseInt(backwards[j]);
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break;
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}
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}
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allInts.push(parseInt(`${firstInt}${lastInt}`));
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}
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sum = allInts.reduce((a, b) => a + b, 0);
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console.log(sum);
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// functions
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