day three both parts

03/code.js

@@ -1,26 +1,169 @@
 import { readFileSync } from 'node:fs';
 
-const inputArray = readFileSync('sample.txt').toString().split("\n");
-// const inputArray = readFileSync('input.txt').toString().split("\n");
+// const inputArray = readFileSync('sample.txt').toString().split("\n");
+const inputArray = readFileSync('input.txt').toString().split("\n");
 
 // Part One
-console.time("part1");
-for (const element of inputArray) {
-  const contents = element.split(" ");
 
+console.time("part1");
+let sum = 0;
+
+for (const element of inputArray) {
+  const length = element.length;
+  let firstDigitLocation = 0;
+  let firstDigit = 1;
+  let lastDigit = 0;
+
+  for (let i = 0; i < length - 1; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > firstDigit) {
+      firstDigit = digit;
+      firstDigitLocation = i;
+    }
+  }
+  for (let i = firstDigitLocation + 1; i < length; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > lastDigit) {
+      lastDigit = digit;
+    }
+  }
+  const joltage = (firstDigit * 10) + lastDigit;
+  sum += joltage;
 }
 
 console.timeEnd("part1");
-console.log();
-
+console.log(sum);
 
 // Part Two
-console.time("part2");
-for (const element of inputArray) {
-  const contents = element.split(" ");
 
+console.time("part2");
+let sum2 = 0;
+
+for (const element of inputArray) {
+  const length = element.length;
+  let firstDigitLocation = 0;
+  let firstDigit = 1;
+  let secondDigitLocation = 1;
+  let secondDigit = 0;
+  let thirdDigitLocation = 2;
+  let thirdDigit = 0;
+  let fourthDigitLocation = 3;
+  let fourthDigit = 0;
+  let fifthDigitLocation = 4;
+  let fifthDigit = 0;
+  let sixthDigitLocation = 5;
+  let sixthDigit = 0;
+  let seventhDigitLocation = 6;
+  let seventhDigit = 0;
+  let eighthDigitLocation = 7;
+  let eighthDigit = 0;
+  let ninthDigitLocation = 8;
+  let ninthDigit = 0;
+  let tenthDigitLocation = 9;
+  let tenthDigit = 0;
+  let eleventhDigitLocation = 10;
+  let eleventhDigit = 0;
+  let lastDigit = 0;
+
+  for (let i = 0; i < length - 11; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > firstDigit) {
+      firstDigit = digit;
+      firstDigitLocation = i;
+    }
+  }
+  for (let i = firstDigitLocation + 1; i < length - 10; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > secondDigit) {
+      secondDigit = digit;
+      secondDigitLocation = i;
+    }
+  }
+  for (let i = secondDigitLocation + 1; i < length - 9 ; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > thirdDigit) {
+      thirdDigit = digit;
+      thirdDigitLocation = i;
+    }
+  }
+  for (let i = thirdDigitLocation + 1; i < length - 8; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > fourthDigit) {
+      fourthDigit = digit;
+      fourthDigitLocation = i;
+    }
+  }
+  for (let i = fourthDigitLocation + 1; i < length - 7; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > fifthDigit) {
+      fifthDigit = digit;
+      fifthDigitLocation = i;
+    }
+  }
+  for (let i = fifthDigitLocation + 1; i < length - 6; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > sixthDigit) {
+      sixthDigit = digit;
+      sixthDigitLocation = i;
+    }
+  }
+  for (let i = sixthDigitLocation + 1; i < length - 5; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > seventhDigit) {
+      seventhDigit = digit;
+      seventhDigitLocation = i;
+    }
+  }
+  for (let i = seventhDigitLocation + 1; i < length - 4; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > eighthDigit) {
+      eighthDigit = digit;
+      eighthDigitLocation = i;
+    }
+  }
+  for (let i = eighthDigitLocation + 1; i < length - 3; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > ninthDigit) {
+      ninthDigit = digit;
+      ninthDigitLocation = i;
+    }
+  }
+  for (let i = ninthDigitLocation + 1; i < length - 2; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > tenthDigit) {
+      tenthDigit = digit;
+      tenthDigitLocation = i;
+    }
+  }
+  for (let i = tenthDigitLocation + 1; i < length - 1; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > eleventhDigit) {
+      eleventhDigit = digit;
+      eleventhDigitLocation = i;
+    }
+  }
+  for (let i = eleventhDigitLocation + 1; i < length; i++) {
+    const digit = Number.parseInt(element[i]);
+    if (digit > lastDigit) {
+      lastDigit = digit;
+    }
+  }
+
+  const joltage = (firstDigit * 100000000000) +
+                  (secondDigit * 10000000000) +
+                    (thirdDigit * 1000000000) +
+                    (fourthDigit * 100000000) +
+                      (fifthDigit * 10000000) +
+                       (sixthDigit * 1000000) +
+                      (seventhDigit * 100000) +
+                        (eighthDigit * 10000) +
+                          (ninthDigit * 1000) +
+                           (tenthDigit * 100) +
+                         (eleventhDigit * 10) +
+                         lastDigit;
+  sum2 += joltage;
 }
 
-console.log();
 console.timeEnd("part2");
+console.log(sum2);
 // functions