From 959b52cda26246945fc8b141dcf11afa69bc63e2 Mon Sep 17 00:00:00 2001
From: Pascal Lais <pascal@lais.dev>
Date: Sun, 19 Dec 2021 21:55:32 +0100
Subject: [PATCH] Update day 19 solution

---
 day-19/day-19.py | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/day-19/day-19.py b/day-19/day-19.py
index abab3f3..ec54dfa 100644
--- a/day-19/day-19.py
+++ b/day-19/day-19.py
@@ -86,12 +86,12 @@ def get_transform_func(v0, v1):
 
 def transform(scanners, idx, done=[]):
     done.append(idx)
-    for n in scanners[idx]['overlapping']:
-        if n in done:
+    for next in scanners[idx]['overlapping']:
+        if next in done:
             continue
         overlapping = []
         for i, b0 in enumerate(scanners[idx]['metrics']):
-            for j, b1 in enumerate(scanners[n]['metrics']):
+            for j, b1 in enumerate(scanners[next]['metrics']):
                 if 11 <= len(b0 & b1):
                     overlapping.append((i, j))
                 if 2 <= len(overlapping):
@@ -102,21 +102,21 @@ def transform(scanners, idx, done=[]):
         (x0, y0, z0) = scanners[idx]['beacons'][overlapping[0][0]]
         (x1, y1, z1) = scanners[idx]['beacons'][overlapping[1][0]]
         v0 = (x0 - x1, y0 - y1, z0 - z1)
-        (x0, y0, z0) = scanners[n]['beacons'][overlapping[0][1]]
-        (x1, y1, z1) = scanners[n]['beacons'][overlapping[1][1]]
+        (x0, y0, z0) = scanners[next]['beacons'][overlapping[0][1]]
+        (x1, y1, z1) = scanners[next]['beacons'][overlapping[1][1]]
         v1 = (x0 - x1, y0 - y1, z0 - z1)
         transform_func = get_transform_func(v0, v1)
-        for i, b in enumerate(scanners[n]['beacons']):
+        for i, b in enumerate(scanners[next]['beacons']):
             (x, y, z) = b
-            scanners[n]['beacons'][i] = eval(transform_func)
+            scanners[next]['beacons'][i] = eval(transform_func)
         (x0, y0, z0) = scanners[idx]['beacons'][overlapping[0][0]]
-        (x1, y1, z1) = scanners[n]['beacons'][overlapping[0][1]]
+        (x1, y1, z1) = scanners[next]['beacons'][overlapping[0][1]]
         (xo, yo, zo) = (x0 - x1, y0 - y1, z0 - z1)
-        scanners[n]['origin'] = (xo, yo, zo)
-        for i in range(len(scanners[n]['beacons'])):
-            (x, y, z) = scanners[n]['beacons'][i]
-            scanners[n]['beacons'][i] = (x + xo, y + yo, z + zo)
-        transform(scanners, n, done)
+        scanners[next]['origin'] = (xo, yo, zo)
+        for i in range(len(scanners[next]['beacons'])):
+            (x, y, z) = scanners[next]['beacons'][i]
+            scanners[next]['beacons'][i] = (x + xo, y + yo, z + zo)
+        transform(scanners, next, done)
 
 
 def solve(input):