2021 day 17 complete!

2021/day17/main.go

@@ -15,10 +15,10 @@ func main() {
 
 	var maxy int
 	r := make(map[h.Coordinate]bool)
-	b := 500
 
-	for x := b * -1; x < b; x++ {
-		for y := b * -1; y < b; y++ {
+	// Let's just see if -500 to 500 is enough >.<
+	for x := 500 * -1; x < 500; x++ {
+		for y := 500 * -1; y < 500; y++ {
 			v := h.Coordinate{X: x, Y: y}
 			if m, ok := testForHit(h.Coordinate{}, v); ok {
 				if m > maxy {