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52 lines
1.8 KiB
Plaintext
52 lines
1.8 KiB
Plaintext
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from copy import deepcopy
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import itertools
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def unpack(table):
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replacable = []
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replacable_idx = []
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for i in range(len(table)):
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if type(table[i]) == type([]):
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replacable.append(list(itertools.product(*table[i])))
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replacable_idx.append(i)
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solutions = []
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for x in list(itertools.product(*replacable)):
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t_ = deepcopy(table)
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i = 0
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for y in x:
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t_[replacable_idx[i]] = list(y)
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i += 1
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solutions.append(list(itertools.chain(*t_)))
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return solutions
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def unpackrules(rules): #You know the rules, and so do I
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for rule_n in rules:
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rule = rules[rule_n]
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for j in range(len(rule)):
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subrule = rule[j]
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for i in range(len(subrule)):
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if subrule[i] in list(ab.keys()):
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subrule[i] = ab.get(subrule[i])
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else:
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subrule[i] = rules[subrule[i]]
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rule[j] = subrule
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rules[rule_n] = unpack(rule)
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return rules
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rules = { y[0]:[ z.split(' ') for z in y[1].split(' | ') ] for x in open('input_rules').read().splitlines() if (y := x.split(': ')) }
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ab = { x:rules[x][0][0].replace('"','') for x in rules if (rules[x][0][0] == '"a"' or rules[x][0][0] == '"b"')}
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[ rules.pop(x) for x in ab ]
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print(unpackrules(rules))
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# print(unpack(['a', [['2', '3', '76'], ['3', '2']], 'b', [['2', '3'], ['3', '2']], [['2', '3'], ['3', '2']]]))
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# print(list(itertools.permutations(['a', [['2', '3', '76'], ['3', '2']], 'b', [['2', '3'], ['3', '2']], [['2', '3'], ['3', '2']]])))
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# rules = { x[0]:x[1] for x in [ rule.split(': ') for rule in open('input_rules').read().splitlines() ]}
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# ab = { x:rules[x].replace('"','') for x in rules if (rules[x] in ['"a"', '"b"'])}
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# rules.update(ab)
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# print(rules)
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# print(ab)
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