Move python solutions to separate directory

py/2018/08/solve.py

@@ -0,0 +1,53 @@
+import sys
+
+# PART 1
+
+def load_stream(filename):
+	with open(filename) as f:
+		# Too lazy to do this properly
+		return list(reversed(list(map(int, f.read()[:-1].split(" ")))))
+
+def parse_node(stream):
+	amt_nodes = stream.pop()
+	amt_meta = stream.pop()
+
+	nodes = []
+	for _ in range(amt_nodes):
+		nodes.append(parse_node(stream))
+
+	meta = []
+	for _ in range(amt_meta):
+		meta.append(stream.pop())
+
+	return (nodes, meta)
+
+def sum_of_meta(node):
+	nodes, meta = node
+	return sum(meta) + sum(map(sum_of_meta, nodes))
+
+# PART 2
+
+def value_of(node):
+	nodes, meta = node
+	if nodes:
+		total = 0
+		for i in meta:
+			i -= 1
+			if i >= 0 and i < len(nodes):
+				total += value_of(nodes[i])
+		return total
+	else:
+		return sum(meta)
+
+def main(filename):
+	print(f"Solutions for {filename}")
+	stream = load_stream(filename)
+	node = parse_node(stream)
+	meta = sum_of_meta(node)
+	print(f"Part 1: {meta}")
+	value = value_of(node)
+	print(f"Part 2: {value}")
+
+if __name__ == "__main__":
+	for filename in sys.argv[1:]:
+		main(filename)

py/2018/08/test_input.txt

@@ -0,0 +1 @@
+2 3 0 3 10 11 12 1 1 0 1 99 2 1 1 2