From 402d7f44ac41ceba020c87525846e1df8b7c5a7d Mon Sep 17 00:00:00 2001
From: Ben Harris <bjh21@bjh21.me.uk>
Date: Mon, 27 May 2024 14:16:38 +0100
Subject: [PATCH] 19a: correct maximum-cost calculation

---
 19/19a.bqn | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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⟩⟩
 }
 
-- 
2.30.2