29 lines
792 B
Python
29 lines
792 B
Python
with open('day9-input', 'r') as file:
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data = [l.strip('\n') for l in file]
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towns = set()
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distances = {}
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def get_distance(town1, town2):
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if town2 < town1:
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return distances[(town2, town1)]
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else:
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return distances[(town1, town2)]
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def set_distance(town1, town2, value):
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if town2 < town1:
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distances[(town2, town1)] = value
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else:
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distances[(town1, town2)] = value
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for line in data:
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town1, _, town2, _, distance = line.split(' ')
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towns.add(town1)
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towns.add(town2)
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set_distance(town1, town2, int(distance))
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from itertools import permutations
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route_distances = []
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for route in permutations(towns):
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route_distances.append(sum([get_distance(a, b) for a, b in zip(route[:-1], route[1:])]))
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print(min(route_distances)) # Part 1
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print(max(route_distances)) # Part 2
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