Add 2018 day 1 solutions

1 files changed, 14 insertions, 0 deletions

diff --git a/2018/01/puzzle-2.awk b/2018/01/puzzle-2.awk
new file mode 100755
index 0000000..2236499
--- /dev/null
+++ b/2018/01/puzzle-2.awk
@@ -0,0 +1,14 @@
+#!/usr/bin/awk -f
+
+{ xs[NR] = $1 }
+
+END {
+	for (;;) {
+		for (i = 1; i <= length(xs); i++) {
+			if (ys[x += xs[i]]++) {
+				print x
+				exit
+			}
+		}
+	}
+}