53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
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#!/usr/bin/python3
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import sys
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import re
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sciezki = {};
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stanyakceptujace = [];
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f = open(sys.argv[1], "r");
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lines = f.readlines();
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for line in lines:
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answer = re.match('^([0-9]+) ([0-9]+) ([a-z]*|<eps>)$', line);
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if answer:
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try:
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try:
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sciezki[answer.group(1)][answer.group(3)].add(answer.group(2));
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except KeyError:
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sciezki[answer.group(1)][answer.group(3)] = {answer.group(2)};
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except KeyError:
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sciezki.update({answer.group(1):{}})
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sciezki[answer.group(1)][answer.group(3)] = {answer.group(2)};
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else:
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stanyakceptujace.append(line[:-1]);
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for input in sys.stdin.readlines():
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act = {str(0)};
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for char in input[:-1]:
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tca = set();
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for z in act:
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try:
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if sciezki[z].__contains__('<eps>'):
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tca.update(sciezki[z]['<eps>']);
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except KeyError:
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pass;
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act.update(tca);
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tca = set();
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for z in act:
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try:
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tca.update(sciezki[z][char]);
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except KeyError:
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pass;
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act = tca;
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tca = set();
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for z in act:
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try:
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if sciezki[z].__contains__('<eps>'):
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tca.update(sciezki[z]['<eps>']);
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except KeyError:
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pass;
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act.update(tca);
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if len(act.intersection(stanyakceptujace))>0:
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print("TRUE "+input[:-1])
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else:
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print("FALSE "+input[:-1])
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