Import AdventOfCode2018 JavaScript solutions

git-subtree-dir: AdventOfCode JS/2018 git-subtree-mainline: b44957b275 git-subtree-split: 5e9be1b66b
2026-07-13 11:13:47 +00:00 · 2026-07-12 19:58:48 +01:00
parent b44957b275 5e9be1b66b
commit 7054a23d8c
16 changed files with 1576 additions and 0 deletions
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+// AdventOfCode2018-01
+var fs = require('fs');
+var frequency = 0; 
+var frequencyHistory = [];
+var loopCount = 0;
+
+var textFile = fs.readFileSync('./input.txt').toString();
+var textArray = textFile.split(/\r?\n/);
+
+var foundDuplicate = false;
+while (!foundDuplicate) {
+    for (var line of textArray) {
+        if (line.substr(0,1) == '+') {
+            frequency += parseInt(line.substr(1));
+        }
+        else {
+            frequency -= parseInt(line.substr(1));
+        }
+        //console.log(frequency.toString());
+        if (frequencyHistory.includes(frequency)) {
+            console.log('The first repeated frequency is ' + frequency);
+            firstRepeatedFrequency = frequency;
+            foundDuplicate = true;
+            break;
+        }
+        else {
+            frequencyHistory.push(frequency);
+        }
+    };
+    loopCount += 1;
+}
+
+console.log(loopCount);