day 12 part 1 works, thanks gbmor

2020-12-12 18:31:47 +00:00 · 2020-12-12 18:31:47 +00:00 · 54a6a60141
parent 8ae5a51969
commit 54a6a60141
1 changed files with 2 additions and 2 deletions
--- a/day12/main.go
+++ b/day12/main.go
@ -53,11 +53,11 @@ func main() {
 				case 'R':
 					h := num/90
 					f := ship.Facing + h
-					ship.Facing = abs(f%4)
+					ship.Facing = ((f%4)+4)%4
 				case 'L':
 					h := num/90
 					f := ship.Facing - h
-					ship.Facing = abs(f%4)
+					ship.Facing = ((f%4)+4)%4
 			}
 			fmt.Printf("INSTRUCTION: %s, FACING: %d, N/S POS: %d, E/W POS: %d\n",l, ship.Facing, ship.NS, ship.EW)
 		}