B09
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TaskB09/fsa_description.arg
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22
TaskB09/fsa_description.arg
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0 1 m
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1 2 a
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2 3 c
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3 4 b
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4 5 e
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5 6 t
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6 7 h
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1 1 m
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2 1 m
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3 1 m
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4 1 m
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5 1 m
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6 1 m
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7 7 abcdefghijklmnopqrstuvwxyz
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0 0 abcdefghijklnopqrstuvwxyz
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1 0 bcdefghijklnopqrstuvwxyz
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2 0 abdefghijklnopqrstuvwxyz
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3 0 acdefghijklnopqrstuvwxyz
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4 0 abcdfghijklnopqrstuvwxyz
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5 0 abcdefghijklnopqrsuvwxyz
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6 0 abcdefgijklnopqrstuvwxyz
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7
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101
TaskB09/run.py
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TaskB09/run.py
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import sys
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import csv
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import os
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from numpy import append
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DIR = os.path.dirname(__file__)
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alfabet = "abcdefghijklmnopqrstuvwxyz "
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def join_path(filename: str) -> str:
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return os.path.join(DIR, filename)
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if len(sys.argv) == 1:
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print("Default arguments parsed\n")
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sys.argv.append("fsa_description.arg")
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sys.argv.append("simple.in")
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sys.argv.append("simple.exp")
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with open(join_path(sys.argv[1]), "r", newline="", encoding="utf8") as csvfile:
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filereader = csv.reader(csvfile, delimiter="\t", quotechar="|")
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fsa_description = list(filereader)
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accepting_state = int(fsa_description[-1][0])
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fsa_description = fsa_description[:-1]
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fsa_description_map = {}
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is_error = False
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for num, item in enumerate(fsa_description):
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for letter in item[2]:
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if letter not in alfabet:
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print("ERROR - letter not in alfabet: ", letter, "| line:", num + 1)
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exit(-1)
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if (int(item[0]), letter) in fsa_description_map:
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print("ERROR - duplicate letter:", letter, "| line:", num + 1)
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is_error = True
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tuple = (int(item[0]), letter)
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fsa_description_map[tuple] = int(item[1])
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if is_error:
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exit(-1)
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states = {}
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for item in fsa_description_map:
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states[item[0]] = states[item[0]] + item[1] if item[0] in states else item[1]
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from collections import Counter
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# check if all letters are used once
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def is_permutation(str1, str2):
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return Counter(str1) == Counter(str2)
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def find_missing_letters(str1, str2) -> str:
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missing_letters = ""
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for char in str2:
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if char not in str1:
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missing_letters += char
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return missing_letters
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for state in states:
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if not is_permutation(states[state], alfabet):
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print(
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f"ERROR - state {state} doesn't match: {states[state]} | {alfabet} | diff - {find_missing_letters(states[state], alfabet)}"
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)
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exit(-1)
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with open(join_path(sys.argv[2]), "r", newline="", encoding="utf8") as csvfile:
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filereader = csv.reader(csvfile, delimiter="\t", quotechar="|")
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test_in = list(filereader)
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with open(join_path(sys.argv[3]), "r", newline="", encoding="utf8") as csvfile:
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filereader = csv.reader(csvfile, delimiter="\t", quotechar="|")
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test_out = list(filereader)
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is_difference = []
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for i, word in enumerate(test_in):
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current_state = 0
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if len(word) != 0:
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for letter in word[0]:
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current_state = fsa_description_map[(current_state, letter)]
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print(str(i + 1) + "\t", end="")
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if current_state == accepting_state:
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print("YES\t", end="")
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if "YES" != test_out[i][0]:
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print("ERROR", word, end="")
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is_difference.append(i)
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else:
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print("NO\t", end="")
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if "NO" != test_out[i][0]:
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print("ERROR", word, end="")
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is_difference.append(i)
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print()
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if len(is_difference) != 0:
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print(is_difference)
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