Clean up 2025 day 8 part 2

sim642 · sim642 · commit febab04fcb07 · 2025-12-08T20:33:19.000+02:00
diff --git a/src/main/scala/eu/sim642/adventofcode2025/Day8.scala b/src/main/scala/eu/sim642/adventofcode2025/Day8.scala
@@ -46,11 +46,10 @@ object Day8 {
       .product
   }
 
-  // TODO: deduplicate
   def multiplyLastXs(junctionBoxes: Seq[Pos3]): Int = {
     val closestPairs = iterateClosestPairs(junctionBoxes)
-    val lastPair = Kruskal.iterateEdges(junctionBoxes, closestPairs).last
-    lastPair._1.x * lastPair._2.x
+    val (p1, p2) = Kruskal.iterateEdges(junctionBoxes, closestPairs).last
+    p1.x * p2.x
   }
 
   def parseJunctionBox(s: String): Pos3 = s match {

Original file line number	Diff line number	Diff line change
`@@ -46,11 +46,10 @@ object Day8 {`
`46`	`46`	`.product`
`47`	`47`	`}`
`48`	`48`
`49`		`- // TODO: deduplicate`
`50`	`49`	`def multiplyLastXs(junctionBoxes: Seq[Pos3]): Int = {`
`51`	`50`	`val closestPairs = iterateClosestPairs(junctionBoxes)`
`52`		`- val lastPair = Kruskal.iterateEdges(junctionBoxes, closestPairs).last`
`53`		`- lastPair._1.x * lastPair._2.x`
	`51`	`+ val (p1, p2) = Kruskal.iterateEdges(junctionBoxes, closestPairs).last`
	`52`	`+ p1.x * p2.x`
`54`	`53`	`}`
`55`	`54`
`56`	`55`	`def parseJunctionBox(s: String): Pos3 = s match {`