day 10, awk solution for part 1

2022-12-10 19:56:16 +01:00 · 2022-12-10 19:56:16 +01:00 · 38a377ac84
parent c089762042
commit 38a377ac84
1 changed files with 11 additions and 0 deletions
--- a/d10/part1.awk
+++ b/d10/part1.awk
@ -0,0 +1,11 @@
+BEGIN { x=1 }
+function inc() {
+	c+=1
+	S += index("20,60,100,140,180,220,", c ",")>0 ? x*c : 0
+}
+{ inc() }
+$1 == "addx" {
+	inc()
+	x+=$2
+}
+END { print S }