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aoc2023/d07/part2.py
2025-09-08 01:46:10 +02:00

43 lines
951 B
Python

import sys
from collections import Counter as C
from functools import cmp_to_key as ctk
H = list(reversed('AKQT98765432J'))
def score(h:str) -> int:
D = C(h)
j = D['J']
del D['J']
if j<5:
m = max(D.values())
for k,v in D.items():
if v == m:
D[k] = v+j
break
E = C(v for k,v in D.items()) if j<5 else {5:1}
r = 0
if 5 in E: # five of a kind
r = 7
elif 4 in E: # four of a kind
r = 6
elif 3 in E and 2 in E: # full house
r = 5
elif 3 in E: # three of a kind
r = 4
elif 2 in E and E[2] == 2: # two pairs
r = 3
elif 2 in E: # one pair
r = 2
else: # high card
r = 1
return (r, *[H.index(c) for c in h])
L = [ l.split() for l in sys.stdin.read().splitlines()]
L = [(score(h),int(b)) for [h,b] in L]
sorted(L)
print(
sum((i+1)*b for i,(h,b) in enumerate(reversed(L)))
)