From 43e8adeff6306073bf58631be796f409f293997f Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Sun, 31 Dec 2023 09:37:52 +0100
Subject: Lösungen für Tag 24, Teil 2 (mit Z3 als Solver :/ ...)
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---
 src/day24.py | 33 ---------------------------------
 1 file changed, 33 deletions(-)
 delete mode 100644 src/day24.py

(limited to 'src/day24.py')

diff --git a/src/day24.py b/src/day24.py
deleted file mode 100644
index 809f2d0..0000000
--- a/src/day24.py
+++ /dev/null
@@ -1,33 +0,0 @@
-class Hailstone:
-    def __init__(self, sx, sy, sz, vx, vy, vz):
-        self.sx = sx
-        self.sy = sy
-        self.sz = sz
-        self.vx = vx
-        self.vy = vy
-        self.vz = vz
-        
-        self.a = vy
-        self.b = -vx
-        self.c = vy * sx - vx * sy
-    
-    def __repr__(self):
-        return "Hailstone{" + f"a={self.a}, b={self.b}, c={self.c}" + "}"
-
-hailstones = [Hailstone(*map(int, line.replace("@", ",").split(","))) for line in open("data/day24.txt")]
-
-total = 0
-
-for i, hs1 in enumerate(hailstones):
-    for hs2 in hailstones[:i]:
-        a1, b1, c1 = hs1.a, hs1.b, hs1.c
-        a2, b2, c2 = hs2.a, hs2.b, hs2.c
-        if a1 * b2 == b1 * a2:
-            continue
-        x = (c1 * b2 - c2 * b1) / (a1 * b2 - a2 * b1)
-        y = (c2 * a1 - c1 * a2) / (a1 * b2 - a2 * b1)
-        if 200000000000000 <= x <= 400000000000000 and 200000000000000 <= y <= 400000000000000:
-            if all((x - hs.sx) * hs.vx >= 0 and (y - hs.sy) * hs.vy >= 0 for hs in (hs1, hs2)):
-                total += 1
-
-print(total)
-- 
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