From 0aa40e557a87313793c73239ecafe8592c2da547 Mon Sep 17 00:00:00 2001
From: Joshua Seigler <joshua@seigler.net>
Date: Thu, 5 Dec 2024 00:48:27 -0500
Subject: [PATCH] cleaner, better

---
 .aocrunner.json    |  6 +++---
 src/day05/index.ts | 33 +++++++++++----------------------
 2 files changed, 14 insertions(+), 25 deletions(-)

diff --git a/.aocrunner.json b/.aocrunner.json
index c008653..fd7e9dd 100644
--- a/.aocrunner.json
+++ b/.aocrunner.json
@@ -66,13 +66,13 @@
         "solved": true,
         "result": "4905",
         "attempts": [],
-        "time": 29.389645
+        "time": 28.306566
       },
       "part2": {
         "solved": true,
-        "result": "6204",
+        "result": "0",
         "attempts": [],
-        "time": 54.772924
+        "time": 35.287833
       }
     },
     {
diff --git a/src/day05/index.ts b/src/day05/index.ts
index e9271e5..04c7e5f 100644
--- a/src/day05/index.ts
+++ b/src/day05/index.ts
@@ -11,33 +11,22 @@ const parseInput = (rawInput: string) => {
 const part1 = (rawInput: string) => {
   const {rules, updates} = parseInput(rawInput)
   return updates.reduce((total, update) => {
-    let seen: number[] = []
-    for (const page of update) {
-      if (rules.some(rule => seen.includes(rule[1]) && rule[0] === page)) {
-        return total
-      }  
-      seen.push(page)
-    }
-    return total + seen[Math.floor(seen.length / 2)]
+    const sortedUpdate = [...update].sort((p1,p2) => {
+      return rules.some(rule => rule[0] === p1 && rule[1] === p2) ? -1 : 1
+    })
+    if (update.join() !== sortedUpdate.join()) return total
+    return total + update[Math.floor(update.length / 2)]
   }, 0)
 }
 
 const part2 = (rawInput: string) => {
   const {rules, updates} = parseInput(rawInput)
   return updates.reduce((total, update) => {
-    let seen: number[] = []
-    for (const page of update) {
-      if (rules.some(rule => seen.includes(rule[1]) && rule[0] === page)) {
-        // needs fixing
-        const sortedUpdate = update.sort((p1,p2) => {
-          return rules.some(rule => rule[0] === p1 && rule[1] === p2) ? -1 : 1
-        })
-        return total + update[Math.floor(update.length / 2)]
-      }  
-      seen.push(page)
-    }
-    // it's fine
-    return total
+    const sortedUpdate = [...update].sort((p1,p2) => {
+      return rules.some(rule => rule[0] === p1 && rule[1] === p2) ? -1 : 1
+    })
+    if (update.join() === sortedUpdate.join()) return total
+    return total + sortedUpdate[Math.floor(update.length / 2)]
   }, 0)
 }
 
@@ -115,5 +104,5 @@ run({
     solution: part2,
   },
   trimTestInputs: true,
-  onlyTests: false,
+  onlyTests: true,
 })