day10

1 files changed, 19 insertions, 0 deletions

diff --git a/day10/day10-1.js b/day10/day10-1.js
new file mode 100644
index 0000000..36363cc
--- /dev/null
+++ b/day10/day10-1.js
@@ -0,0 +1,19 @@
+const data = require('./data')
+let jolts = 0, diff1 = 0, diff3 = 1
+
+const next = () => {
+  const possible = data.filter(a => [jolts+1, jolts+2, jolts+3].indexOf(a) > -1)
+  return possible.length > 0 && Math.min.apply(Math, possible)
+}
+
+while (next()) {
+  if ((next() - jolts) === 1) {
+    diff1 += 1
+  } else if ((next() - jolts) === 3) {
+    diff3 += 1
+  }
+  jolts = next()
+}
+
+console.log(diff1*diff3)
+