From 782d12c048ed779b9b14448120bc397f2620bf36 Mon Sep 17 00:00:00 2001
From: Chris Hodges <chrishod@axis.com>
Date: Wed, 4 Dec 2024 10:03:28 +0100
Subject: [PATCH] Very minor day 2 refinement.

---
 src/aoc2024/Day02.kt | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/aoc2024/Day02.kt b/src/aoc2024/Day02.kt
index 7c6a07a..af10497 100644
--- a/src/aoc2024/Day02.kt
+++ b/src/aoc2024/Day02.kt
@@ -50,21 +50,18 @@ fun main() {
     fun checkGood(i: List<Int>): Boolean {
         val dir = i[1] - i[0]
         return if (dir < 0) {
-            !i.runningReduce { acc, elem -> if ((elem < acc) and (elem >= acc - 3)) elem else Int.MIN_VALUE }.contains(Int.MIN_VALUE)
+            !i.runningReduce { acc, elem -> if ((elem < acc) and (elem >= acc - 3)) elem else Int.MIN_VALUE }
+                .contains(Int.MIN_VALUE)
         } else if (dir > 0) {
-            !i.runningReduce { acc, elem -> if ((elem > acc) && (elem <= acc + 3)) elem else Int.MAX_VALUE }.contains(Int.MAX_VALUE)
+            !i.runningReduce { acc, elem -> if ((elem > acc) && (elem <= acc + 3)) elem else Int.MAX_VALUE }
+                .contains(Int.MAX_VALUE)
         } else {
             false
         }
     }
 
     fun part1(input: List<String>): Int {
-        val ilist = input.map { it.splitInts() }
-        var sum = 0
-        for (i in ilist) {
-            if (checkGood(i)) sum++
-        }
-        return sum
+        return input.map { it.splitInts() }.count(::checkGood)
     }
 
     fun part2(input: List<String>): Int {