Ranking Poker Hands

• Time : $O(1)$
• Space : $O(1)$

python

class PokerHand(object):
    card = "23456789TJQKA"
    RESULT = ["Loss", "Tie", "Win"]

    def __init__(self, hand):
        values = ''.join(sorted(hand[::3], key=self.card.index))
        suits = set(hand[1::3])
        flush = len(suits) == 1
        straight = values in self.card
        self.score = (2 * sum(values.count(c) for c in values) + 13 * straight + 14 * flush, [self.card.index(c) for c in values[::-1]])
        
    def compare_with(self, other):
        return self.RESULT[(self.score > other.score) - (self.score < other.score) + 1]