From: Ben Harris <bjh21@bjh21.me.uk>
Date: Mon, 27 May 2024 13:16:38 +0000 (+0100)
Subject: 19a: correct maximum-cost calculation
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=402d7f44ac41ceba020c87525846e1df8b7c5a7d;p=aoc-2022.git

19a: correct maximum-cost calculation
---

diff --git a/19/19a.bqn b/19/19a.bqn
index 28be0de..04653f6 100644
--- a/19/19a.bqn
+++ b/19/19a.bqn
@@ -20,7 +20,8 @@ Prep←{
 NtZ←{=˜𝕩 ? 𝕩; 0}¨ # NaN is not equal to itself.
 
 EvalBlueprint←{𝕊 robot_costs:
-  max_costs←⌈´˘robot_costs
+  •Show robot_costs
+  •Show max_costs←⌈˝(robot_costs∾[⟨0,0,0,∞⟩]) # Want all the geodes.
   Search←{ 𝕊⟨time,stock,robots⟩:
     #•Show ⟨time,stock,robots⟩
     result←⌈´{
@@ -37,7 +38,6 @@ EvalBlueprint←{𝕊 robot_costs:
     𝕊⟨time,stock,robots⟩:
     3⊑stock+robots×time  # If not, return number of geodes we can get in time.
   }
-  •Show robot_costs
   •Show Search ⟨24,⟨0,0,0,0⟩,⟨1,0,0,0⟩⟩
 }