From e5af6348cdb47bfe199f295591065e980e9385c3 Mon Sep 17 00:00:00 2001
From: Katie <5213160+KatieLG@users.noreply.github.com>
Date: Mon, 16 Dec 2024 06:32:36 +0000
Subject: [PATCH] day16 uiua part b

---
 AOC/uiua/solutions/day16.ua      | 9 +++++++--
 AOC/uiua/tests/test_solutions.ua | 7 ++++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/AOC/uiua/solutions/day16.ua b/AOC/uiua/solutions/day16.ua
index 8cfaeba..9007a89 100644
--- a/AOC/uiua/solutions/day16.ua
+++ b/AOC/uiua/solutions/day16.ua
@@ -27,10 +27,15 @@ Solve ← (
     Moves  # Pick from moves with costs
   | ≍End↙₂ # keep going until on the Ending
   )
-  ◌ # discard the paths, keeping only the cost
 )
 
 # Part A
 Input      # Grid
 ⊂Start Dir # Start position and start direction
-Solve      # solve for cost
+◌Solve     # solve and discard paths for cost only
+
+# Part A
+Input      # Grid
+⊂Start Dir # Start position and start direction
+⊙◌Solve    # solve and discard cost for paths
+⧻◴≡↙₂/◇⊂   # find all points that lie on a best path
diff --git a/AOC/uiua/tests/test_solutions.ua b/AOC/uiua/tests/test_solutions.ua
index eb43b6b..6f622d1 100644
--- a/AOC/uiua/tests/test_solutions.ua
+++ b/AOC/uiua/tests/test_solutions.ua
@@ -14,9 +14,10 @@ Expected ← (
    [31589 98080815200063]          # day 13
    [222208000 7623]                # day 14
    [1406628 1432781]               # day 15
+   [85420 492]                     # day 16
   ]
 )
-SolutionMap ← map+1⇡15 Expected
+SolutionMap ← map+1⇡⊸⧻Expected
 GetSolution ← get⊙SolutionMap
 
 TestDay ← (
@@ -85,3 +86,7 @@ TestDay 14
 
 # TODO
 SkipDay 15 "Not done yet"
+
+now
+~ "../solutions/day16.ua"
+TestDay 16