Add: 07->08

2015/09.py

@@ -0,0 +1,58 @@
+import re
+
+# Fill Input
+
+try:
+	with open("09.txt", 'r', encoding='utf-8') as file:
+		input = file.read()
+except Exception as e:
+	print(f"An error occurred: {e}")
+
+# Result
+def perm(X, visited = []):
+	if len(visited) ==  len(X):
+		return [visited]
+
+	res  = []
+
+	for a in X:
+		if a not in visited:
+			for i in perm(X, [*visited, a]):
+				res.append(i)
+
+	return res;
+	
+path = {}
+for line in input.split('\n'):
+	if not (re_match := re.search(r"(\w+) to (\w+) = (\d+)", line)):
+		break
+
+	f = re_match.group(1) 
+	t = re_match.group(2) 
+	d = int(re_match.group(3)) 
+
+	if f in path:
+		path[f][t] = d
+	else:
+		path[f] = {t:d}
+
+	if t in path:
+		path[t][f] = d
+	else:
+		path[t] = {f:d}
+
+
+res = []
+for p in perm(list(path)):
+	sum = 0;
+	last = None
+	for c in p:
+		if not last:
+			last = c
+			continue
+
+		sum += path[last][c]
+		last = c
+	res.append(sum)
+
+print(min(res), max(res))