day6

1 files changed, 9 insertions, 0 deletions

diff --git a/day6/day6-2.js b/day6/day6-2.js
new file mode 100644
index 0000000..965312d
--- /dev/null
+++ b/day6/day6-2.js
@@ -0,0 +1,9 @@
+const data = require('./data')
+
+const repeats = data
+  .split(/\n{2,}/g)
+  .map(g => g.replace(/(^\n)|(\n$)/g,'').split('\n').map(s => s.split('')))
+  .map(g => g[0].map(s => g.every(a => a.includes(s))).filter(x => x === true).length)
+  .reduce((a, b) => a + b, 0)
+
+console.log(repeats)