Use LinkedList.peekLast() to avoid walking the whole list

2020-12-18 12:30:13 +01:00 · 2020-12-18 12:30:13 +01:00 · b9d62c2835
commit b9d62c2835
parent b0001697f5
1 changed files with 1 additions and 1 deletions
--- a/days/src/main/kotlin/Day18.kt
+++ b/days/src/main/kotlin/Day18.kt
@ -58,7 +58,7 @@ class Day18(@Lines val input: Input<List<String>>) {
                operands[i + 1] = result
            }

-            return operands.last()
+            return operands.peekLast()
        } else {

            var i = 0