3 files changed, 65 insertions, 0 deletions

diff --git a/prog/aoc/23/12/1.py b/prog/aoc/23/12/1.py
new file mode 100755
index 0000000..7e07935
--- /dev/null
+++ b/prog/aoc/23/12/1.py
@@ -0,0 +1,53 @@
+#!/usr/bin/python3
+springs = []
+try:
+	while True:
+		s = input()
+		springs.append((s.split(" ")[0], list(map(int, s.split(" ")[1].split(",")))))
+except EOFError:
+	pass
+def counts(vhod):
+	s = vhod + "$"
+	prev = None
+	r = []
+	run = 0
+	for c in s:
+		if prev == None:
+			prev = c
+			run = 1
+			continue
+		if c == prev:
+			run += 1
+			continue
+		if prev == "#":
+			r.append(run)
+		prev = c
+		run = 1
+	return r
+"""
+for spring in springs:
+	print(counts(spring[0]), spring[1])
+"""
+def possibilities(x):
+	r = 0
+	countq = x[0].count("?")
+	for bits in range(2**countq):
+		copy = x[0]
+		for i in range(countq):
+			if bits & (1 << i):
+				copy = copy.replace("?", ".", 1)
+			else:
+				copy = copy.replace("?", "#", 1)
+		if counts(copy) == x[1]:
+			r += 1
+	return r
+def possibilities_serial(array):
+	s = 0
+	for element in array:
+		s += possibilities(element)
+	return s
+batch_size = 10
+batches = [springs[x:x+batch_size] for x in range(0, len(springs), batch_size)]
+from multiprocessing import Pool
+with Pool(len(batches)) as p:
+	print(sum(p.map(possibilities_serial, batches)))
diff --git a/prog/aoc/23/12/correct.txt b/prog/aoc/23/12/correct.txt
new file mode 100644
index 0000000..e2bdf5e
--- /dev/null
+++ b/prog/aoc/23/12/correct.txt
@@ -0,0 +1,6 @@
+#.#.### 1,1,3
+.#...#....###. 1,1,3
+.#.###.#.###### 1,3,1,6
+####.#...#... 4,1,1
+#....######..#####. 1,6,5
+.###.##....# 3,2,1
diff --git a/prog/aoc/23/12/in.txt b/prog/aoc/23/12/in.txt
new file mode 100644
index 0000000..e925935
--- /dev/null
+++ b/prog/aoc/23/12/in.txt
@@ -0,0 +1,6 @@
+???.### 1,1,3
+.??..??...?##. 1,1,3
+?#?#?#?#?#?#?#? 1,3,1,6
+????.#...#... 4,1,1
+????.######..#####. 1,6,5
+?###???????? 3,2,1