51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
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#!/usr/bin/python3
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"""
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Jour 02 du défi Advent Of Code pour l'année 2020
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"""
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def read_sample():
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"""récupère les entrées depuis le fichier texte correspondant"""
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with open('inputs/day02.txt', 'r') as f:
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sample = f.read().split('\n')
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sample = [i for i in sample if i != '']
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return sample
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def xor(a, b):
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return (a or b) and not (a and b)
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def is_valid_part1(line):
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crit, password = line.split(":")
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number, letter = crit.split(" ")
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mini, maxi = number.split("-")
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return int(mini) <= password.count(letter) <= int(maxi)
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def is_valid_part2(line):
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crit, password = line.split(":")
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number, letter = crit.split(" ")
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pos1, pos2 = number.split("-")
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password = password[1:]
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return xor(password[int(pos1)-1] == letter, password[int(pos2)-1] == letter)
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def part1(sample):
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"""Partie 1 du défi"""
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count = 0
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for password in sample:
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if is_valid_part1(password):
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count += 1
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return count
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def part2(sample):
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"""Partie 2 du défi"""
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count = 0
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for password in sample:
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if is_valid_part2(password):
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count += 1
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return count
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def main():
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"""Fonction principale"""
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sample = read_sample()
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print(f"part1: {part1(sample)}")
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print(f"part2: {part2(sample)}")
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