From 1c926fc648b412b89e270d2edfd4c48cab720bcb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Mon, 11 Dec 2023 22:33:42 +0100
Subject: aoc11

---
 prog/aoc/23/11/1.py   | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++
 prog/aoc/23/11/in.txt | 10 ++++++++
 2 files changed, 81 insertions(+)
 create mode 100755 prog/aoc/23/11/1.py
 create mode 100644 prog/aoc/23/11/in.txt

diff --git a/prog/aoc/23/11/1.py b/prog/aoc/23/11/1.py
new file mode 100755
index 0000000..ca97d3e
--- /dev/null
+++ b/prog/aoc/23/11/1.py
@@ -0,0 +1,71 @@
+#!/usr/bin/python3
+from sys import argv
+if len(argv) != 2:
+	print(argv[0], "1	# za part one")
+	print(argv[0], "999999	# za part two")
+	exit()
+def find_all(haystack, needle):
+	occur = -1
+	r = []
+	while True:
+		occur = haystack.find(needle, occur+1)
+		if occur == -1:
+			return r
+		r.append(occur)
+galaxies = {}
+horizontal_holes = []
+columns = set([])
+linelen = 0
+line = 0
+try:
+	while True:
+		s = input()
+		linelen = len(s)
+		cols = find_all(s, "#");
+		for col in cols:
+			galaxies[(line, col)] = True
+			columns |= set([col])
+		if len(cols) == 0:
+			horizontal_holes.append(line)
+		line += 1
+except EOFError:
+	pass
+lines = line+1
+vertical_holes = []
+for i in range(linelen):
+	if i not in columns:
+		vertical_holes.append(i)
+horizontal_holes_sums = []
+hhs = 0
+for i in range(lines):
+	if i in horizontal_holes:
+		hhs += int(argv[1])
+	horizontal_holes_sums.append(hhs)
+vertical_holes_sums = []
+vhs = 0
+for i in range(linelen):
+	if i in vertical_holes:
+		vhs += int(argv[1])
+	vertical_holes_sums.append(vhs)
+corr_galaxies = {}
+for galaxy in galaxies:
+	corr_galaxies[(galaxy[0]+horizontal_holes_sums[galaxy[0]], galaxy[1]+vertical_holes_sums[galaxy[1]])] = True
+def viscorr():
+	for line in range(lines+hhs):
+		for column in range(linelen+vhs):
+			if (line, column) in corr_galaxies:
+				print("#", end="")
+			else:
+				print(".", end="")
+		print()
+from itertools import product
+pari = {}
+for p in product(corr_galaxies, corr_galaxies):
+	if len(set(p)) == 1:
+		continue
+	if (p[0], p[1]) not in pari and (p[1], p[0]) not in pari:
+		pari[p] = True
+s = 0
+for par in pari:
+	s += abs(par[0][0]-par[1][0])+abs(par[0][1]-par[1][1])
+print(s)
diff --git a/prog/aoc/23/11/in.txt b/prog/aoc/23/11/in.txt
new file mode 100644
index 0000000..986aad4
--- /dev/null
+++ b/prog/aoc/23/11/in.txt
@@ -0,0 +1,10 @@
+...#......
+.......#..
+#.........
+..........
+......#...
+.#........
+.........#
+..........
+.......#..
+#...#.....
-- 
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