You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
595 B
31 lines
595 B
lines = [ i.split('-') for i in open("input.txt", 'r').read().splitlines()]
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paths = []
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di = {}
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for l in lines:
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if l[0] not in di:
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di[l[0]] = []
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di[l[0]].append(l[1])
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if l[1] not in di:
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di[l[1]] = []
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di[l[1]].append(l[0])
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print(di)
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def travel(stack, node):
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stack.append(node)
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if node == 'end':
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paths.append(stack.copy())
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print(stack)
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for n in di[node]:
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if n not in stack or n.isupper():
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travel(stack,n)
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stack.pop()
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for start in di['start']:
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stack = ['start']
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travel(stack, start)
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print(len(paths)) |