2018 Day 23*

Had to find someone else's python solution to get an answer.
Need to pull it apart and figure out what's wrong with my solution.

2018/day23/coord.go

@@ -0,0 +1,18 @@
+package main
+
+type Coordinate struct {
+	X, Y, Z int
+}
+
+var Zero = Coordinate{X: 0, Y: 0, Z: 0}
+
+func (c Coordinate) Distance(a Coordinate) int {
+	return abs(c.X-a.X) + abs(c.Y-a.Y) + abs(c.Z-a.Z)
+}
+
+func abs(v int) int {
+	if v < 0 {
+		return v * -1
+	}
+	return v
+}