Day one solutions

01/code.js

@@ -0,0 +1,102 @@
+const fs = require('fs');
+
+// const inputArray = fs.readFileSync('sample.txt').toString().split("\n");
+let inputArray = fs.readFileSync('input.txt').toString().split("\n");
+let allInts = [];
+let sum = 0;
+
+// Part One
+
+for (i in inputArray) {
+  const forwards = inputArray[i];
+  const backwards = inputArray[i].split("").reverse().join("");
+  let firstInt;
+  let lastInt;
+  for (j in forwards) {
+    if (parseInt(forwards[j])) {
+      firstInt = parseInt(forwards[j]);
+      break;
+    }
+  }
+  for (j in backwards) {
+    if (parseInt(backwards[j])) {
+      lastInt = parseInt(backwards[j]);
+      break;
+    }
+  }
+  allInts.push(parseInt(`${firstInt}${lastInt}`));
+}
+
+sum = allInts.reduce((a, b) => a + b, 0);
+
+console.log(sum);
+
+
+// Part Two
+
+// inputArray = fs.readFileSync('sample2.txt').toString().split("\n");
+allInts = [];
+
+for (i in inputArray) {
+  let forwards = inputArray[i];
+  let needsParsed = true;
+  while (needsParsed) {
+    for (j in forwards) {
+      if (forwards[j] === "o" && forwards.substring(j,parseInt(parseInt(j)+parseInt(3))) === "one") {
+        forwards = forwards.substring(0, j) + "1" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "t" && forwards.substring(j,parseInt(parseInt(j)+parseInt(3))) === "two") {
+        forwards = forwards.substring(0, j) + "2" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "t" && forwards.substring(j,parseInt(parseInt(j)+parseInt(5))) === "three") {
+        forwards = forwards.substring(0, j) + "3" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "f" && forwards.substring(j,parseInt(parseInt(j)+parseInt(4))) === "four") {
+        forwards = forwards.substring(0, j) + "4" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "f" && forwards.substring(j,parseInt(parseInt(j)+parseInt(4))) === "five") {
+        forwards = forwards.substring(0, j) + "5" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "s" && forwards.substring(j,parseInt(parseInt(j)+parseInt(3))) === "six") {
+        forwards = forwards.substring(0, j) + "6" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "s" && forwards.substring(j,parseInt(parseInt(j)+parseInt(5))) === "seven") {
+        forwards = forwards.substring(0, j) + "7" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "e" && forwards.substring(j,parseInt(parseInt(j)+parseInt(5))) === "eight") {
+        forwards = forwards.substring(0, j) + "8" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (forwards[j] === "n" && forwards.substring(j,parseInt(parseInt(j)+parseInt(4))) === "nine") {
+        forwards = forwards.substring(0, j) + "9" + forwards.substring(parseInt(parseInt(j)+parseInt(1)));
+        break;
+      } else if (parseInt(j) === forwards.length - 1) {
+        needsParsed = false;
+      }
+    }
+  }
+
+  backwards = forwards.split("").reverse().join("");
+
+  let firstInt;
+  let lastInt;
+  for (j in forwards) {
+    if (parseInt(forwards[j])) {
+      firstInt = parseInt(forwards[j]);
+      break;
+    }
+  }
+  for (j in backwards) {
+    if (parseInt(backwards[j])) {
+      lastInt = parseInt(backwards[j]);
+      break;
+    }
+  }
+  allInts.push(parseInt(`${firstInt}${lastInt}`));
+}
+
+sum = allInts.reduce((a, b) => a + b, 0);
+
+console.log(sum);
+
+// functions
+

01/sample.txt

@@ -0,0 +1,4 @@
+1abc2
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet

01/sample2.txt

@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen