things

2021/src/main/kotlin/Day01.kt

@@ -1,12 +1,13 @@
 package be.vandewalleh.aoc.days
 
+import be.vandewalleh.aoc.utils.BaseDay
 import be.vandewalleh.aoc.utils.input.Day
-import be.vandewalleh.aoc.utils.input.Lines
 
 @Day
-class Day01(@Lines val items: IntArray) {
+class Day01 : BaseDay() {
+    private val items by lazy { input.lines.ints }
 
-    fun part1(): Int {
+    override fun part1(): Int {
         var count = 0
         for (i in 0 until items.size - 1) {
             if (items[i] < items[i + 1]) count++
@@ -14,7 +15,7 @@ class Day01(@Lines val items: IntArray) {
         return count
     }
 
-    fun part2(): Int {
+    override fun part2(): Int {
         var count = 0
         for (i in 0 until items.size - 3) {
             val a = items.drop(i).take(3).sum()