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python-aoc-2023/day07/part2.py
Sebastian Seedorf c078e19d57 Day 07 (optimized)
2023-12-08 12:10:21 +01:00

30 lines
896 B
Python

#!/usr/bin/env python3
from collections import Counter
lines = (x.strip() for x in open("input.txt"))
hands = []
for line in lines:
hand, bid = line.split(" ")
hand = tuple("J23456789TQKA".index(char) for char in hand)
count = list(Counter(h for h in hand if h != 0).values())
num_j = sum(1 for h in hand if h == 0)
if len(count) <= 1:
hands.append((6, hand, int(bid)))
elif (4-num_j) in count:
hands.append((5, hand, int(bid)))
elif len(count) == 2 and 2 in count:
hands.append((4, hand, int(bid)))
elif (3-num_j) in count:
hands.append((3, hand, int(bid)))
elif len(count) == 3:
hands.append((2, hand, int(bid)))
elif len(count) == 4:
hands.append((1, hand, int(bid)))
else:
hands.append((0, hand, int(bid)))
hands.sort()
print(sum(bid * rank for rank, (_, _, bid) in enumerate(hands, 1)))