day08

3 files changed, 1084 insertions, 0 deletions

diff --git a/2025/day08.py b/2025/day08.py
new file mode 100755
index 0000000..4baa036
--- /dev/null
+++ b/2025/day08.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+from functools import reduce
+from re import findall
+from copy import deepcopy
+import sys
+import numpy as np
+from collections import defaultdict
+from operator import mul
+
+filename = sys.argv[1] if len(sys.argv) == 2 \
+    else "in/" + sys.argv[0].split('/')[-1].rstrip(".py") + ".pzl"
+data = open(filename).read()
+lines = data.rstrip('\n').split('\n')
+
+counter = 0
+points = []
+for line in lines:
+    a = line.split(',')
+    x,y,z = [int(i) for i in a]
+    points.append((counter, x, y, z))
+    counter += 1
+
+def dist(p0, p1):
+    _, x0, y0, z0 = p0
+    _, x1, y1, z1 = p1
+    return np.sqrt((x1 - x0)**2 + (y1 - y0)**2 + (z1 - z0)**2)
+
+
+D = []
+for i, p0 in enumerate(points):
+    for p1 in points[i+1:]:
+        d = dist(p0, p1)
+        D.append((d, p0, p1))
+D.sort()
+
+groups = [i for i in range(len(points))]
+
+res1 = 0
+res2 = 0
+count = 0
+for d, p0, p1 in D:
+    g0 = groups[p0[0]]
+    g1 = groups[p1[0]]
+    m = min(g0, g1)
+    for i in range(len(groups)):
+        if groups[i] == g0 or groups[i] == g1:
+            groups[i] = m
+
+    hist = defaultdict(int)
+    for i in groups:
+        hist[i] += 1
+
+    count += 1
+    if count == 1000:
+        res1 = reduce(mul, sorted(hist.values(), reverse=True)[:3])
+    if len(hist) == 1:
+        res2 = p0[1] * p1[1]
+
+    if res1 != 0 and res2 != 0:
+        break
+
+print('res1:', res1)
+print('res2:', res2)
+
diff --git a/2025/in/day08.pzl b/2025/in/day08.pzl
new file mode 100644
index 0000000..9df6b93
--- /dev/null
+++ b/2025/in/day08.pzl
@@ -0,0 +1,1000 @@
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diff --git a/2025/in/day08.ref b/2025/in/day08.ref
new file mode 100644
index 0000000..e98a3b6
--- /dev/null
+++ b/2025/in/day08.ref
@@ -0,0 +1,20 @@
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