adventOfCode/2023/7/part2.py
Daniel Bulant 7633eac086 day 7
2023-12-07 08:50:52 +01:00

53 lines
No EOL
1.7 KiB
Python

import functools
cards = ["A", "K", "Q", "T", "9", "8", "7", "6", "5", "4", "3", "2", "J"]
cards.reverse()
hands = [(line.split(" ")[0], int(line.split(" ")[1])) for line in open("./input2")]
def type_value(hand):
hand_count = {}
for card in hand:
if card[0] in hand_count:
hand_count[card[0]] += 1
else:
hand_count[card[0]] = 1
if "J" in hand_count and hand_count["J"] != 5:
j_value = hand_count["J"]
hand_count["J"] = 0
# get the highest card and add j_value to it
highest_card = list(hand_count.keys())[list(hand_count.values()).index(max(hand_count.values()))]
hand_count[highest_card] += j_value
hand_max = max(hand_count.values())
if hand_max >= 4: return hand_max + 2
if hand_max == 3 and 2 in hand_count.values(): return 5
if hand_max == 3: return 4
if hand_max == 2 and list(hand_count.values()).count(2) == 2: return 3
return hand_max
def compare(hand1_src, hand2_src):
hand1 = hand1_src[0]
hand2 = hand2_src[0]
hand1_type = type_value(hand1)
hand2_type = type_value(hand2)
if hand1_type != hand2_type: return hand2_type - hand1_type
# if there's a tie, check each card in sequence
# print(hand1, hand2)
for i in range(len(hand1)):
if hand1[i][0] != hand2[i][0]:
return cards.index(hand2[i][0]) - cards.index(hand1[i][0])
# sort the array using the compare function
hands.sort(key=functools.cmp_to_key(compare))
hands.reverse()
# print(hands)
valued_hands = [(hand[0], hand[1], hand[1] * (i + 1), type_value(hand[0])) for i, hand in enumerate(hands)]
print(valued_hands)
value = 0
for i in range(len(hands)):
value += hands[i][1] * (i + 1)
print(value)