day 6 was ez

day_6/task_1.js

@@ -0,0 +1,17 @@
+const fs = require('fs');
+const file = fs.readFileSync(__dirname + '/input.txt').toString('utf-8');
+const groups = file.split('\n\n');
+
+let total = 0;
+
+groups.forEach(answers => {
+    answers = answers
+        .replace(/\n/g, '')
+        .split('');
+    
+    let answered = {};
+    answers.forEach(a => answered[a] = true);
+    total += Object.keys(answered).length;
+});
+
+console.log(`Total: ${total}`);

day_6/task_2.js

@@ -0,0 +1,19 @@
+const fs = require('fs');
+const file = fs.readFileSync(__dirname + '/input.txt').toString('utf-8');
+const groups = file.split('\n\n');
+
+let total = 0;
+
+groups.forEach(answers => {
+    answers = answers
+        .split('\n');
+    
+    let answered = {};
+    answers.forEach( an => an.split('').forEach(a => answered[a] ? answered[a]++ : answered[a] = 1 ));
+    
+    for (const [key, value] of Object.entries(answered)) {
+        if (value == answers.length) total++;
+    }
+});
+
+console.log(`Total: ${total}`);