97 lines
2.4 KiB
Python
Executable File
97 lines
2.4 KiB
Python
Executable File
#!/usr/bin/python3
|
|
"""
|
|
Jour 07 du défi Advent Of Code pour l'année 2023
|
|
"""
|
|
from functools import cmp_to_key
|
|
|
|
|
|
def read_sample():
|
|
"""récupère les entrées depuis le fichier texte correspondant"""
|
|
with open('inputs/day07.txt', 'r') as f:
|
|
sample = f.read().split('\n')
|
|
sample = [ (i.split(" ")[0], i.split(" ")[1]) for i in sample if i != '' ]
|
|
return sample
|
|
|
|
def handtype(hand):
|
|
occurences = {}
|
|
for elem in hand:
|
|
if elem not in occurences.keys():
|
|
occurences[elem] = 0
|
|
occurences[elem] += 1
|
|
match sorted([occurences[key] for key in occurences.keys()], reverse=True):
|
|
case [1, 1, 1, 1, 1]: # High card
|
|
return 1
|
|
case [2, 1, 1, 1]: # One pair
|
|
return 2
|
|
case [2, 2, 1]: # Two pairs
|
|
return 3
|
|
case [3, 1, 1]: # Three of a kind
|
|
return 4
|
|
case [3, 2]: # Full house
|
|
return 5
|
|
case [4, 1]: # Four of a kind
|
|
return 6
|
|
case [5]: # Five of a kind
|
|
return 6
|
|
|
|
def joker_handtype(hand):
|
|
if 'J' in hand:
|
|
best = handtype(hand)
|
|
for c in 'AKQT98765432':
|
|
best = max(best, handtype(hand.replace('J', c)))
|
|
return best
|
|
return handtype(hand)
|
|
|
|
|
|
card_ranks = {
|
|
"A": 14,
|
|
"K": 13,
|
|
"Q": 12,
|
|
"T": 10,
|
|
"9": 9,
|
|
"8": 8,
|
|
"7": 7,
|
|
"6": 6,
|
|
"5": 5,
|
|
"4": 4,
|
|
"3": 3,
|
|
"2": 2,
|
|
"J": 1
|
|
}
|
|
def match(h1, h2, ht=handtype):
|
|
hand1, _ = h1
|
|
hand2, _ = h2
|
|
handtype1 = ht(hand1)
|
|
handtype2 = ht(hand2)
|
|
if (handtype1 > handtype2):
|
|
return 1
|
|
if (handtype2 > handtype1):
|
|
return -1
|
|
|
|
for i in range(len(hand1)):
|
|
if hand1[i] != hand2[i]:
|
|
if card_ranks[hand1[i]] > card_ranks[hand2[i]]:
|
|
return 1
|
|
return -1
|
|
return 0
|
|
|
|
|
|
def part1(sample):
|
|
"""Partie 1 du défi"""
|
|
sample_s = sorted(sample, key=cmp_to_key(match))
|
|
return sum([(i+1)*int(sample_s[i][1]) for i in range(len(sample_s))])
|
|
|
|
def part2(sample):
|
|
"""Partie 2 du défi"""
|
|
sample_s = sorted(sample, key=cmp_to_key(lambda x, y: match(x, y, ht=joker_handtype)))
|
|
return sum([(i+1)*int(sample_s[i][1]) for i in range(len(sample_s))])
|
|
|
|
|
|
def main():
|
|
"""Fonction principale"""
|
|
sample = read_sample()
|
|
print(f"part1: {part1(sample)}")
|
|
print(f"part2: {part2(sample)}")
|
|
|
|
if __name__ == "__main__":
|
|
main() |