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values = {
'2': 2,
'3': 3,
'4': 4,
'5': 5,
'6': 6,
'7': 7,
'8': 8,
'9': 9,
'T': 10,
'J': 11,
'Q': 12,
'K': 13,
'A': 14
}
colors = {
'H': 1,
'C': 2,
'S': 3,
'D': 4
}
def handvalue(hand):
return values[hand[0]]*10 + colors[hand[1]]
def count_cards(hand):
hand = [ x/10 for x in hand ]
counter = { }
for c in hand:
if c in counter:
counter[c] += 1
else:
counter[c] = 1
return counter
def high_card(hand):
hand = [ x/10 for x in hand ]
hand.sort()
return hand[-1]
def is_flush(hand):
return (hand[0]%10 == hand[1]%10 == hand[2]%10 == hand[3]%10 == hand[4]%10)
def is_straight(hand):
hand = [ x/10 for x in hand ]
hand.sort()
return (hand[4] == hand[3]+1 == hand[2]+2 == hand[1]+3 == hand[0]+4)
def is_straight_flush(hand):
return is_flush(hand) and is_straight(hand)
def is_royal_flush(hand):
return is_straight_flush(hand) and high_card(hand) == values['A']
def is_n_of_a_kind(hand, n):
counter = count_cards(hand)
for c in counter:
if counter[c] == n:
return True
return False
def is_four_of_a_kind(hand):
return is_n_of_a_kind(hand, 4)
def is_three_of_a_kind(hand):
return is_n_of_a_kind(hand, 3)
def is_one_pair(hand):
return is_n_of_a_kind(hand, 2)
def is_two_pairs(hand):
counter = count_cards(hand)
pairs = 0
for c in counter:
if counter[c] == 2 or counter[c] == 3:
pairs += 1
return pairs == 2
def is_full_house(hand):
return is_two_pairs(hand) and is_three_of_a_kind(hand)
def better_hand(hand1, hand2):
# both are straight flush
if is_straight_flush(hand1):
if high_card(hand1) > high_card(hand2):
return 1
else:
return 2
# both are four of a kind
if is_four_of_a_kind(hand1):
count1 = count_cards(hand1)
count2 = count_cards(hand2)
value4_1 = 0
value4_2 = 0
for c in count1:
if count1[c] == 4:
value4_1 = c
break
for c in count2:
if count2[c] == 4:
value4_2 = c
break
if value4_1 > value4_2:
return 1
else:
return 2
# both are full house
if is_full_house(hand1):
count1 = count_cards(hand1)
count2 = count_cards(hand2)
value3_1 = 0
value3_2 = 0
for c in count1:
if count1[c] == 3:
value3_1 = c
break
for c in count2:
if count2[c] == 3:
value3_2 = c
break
if value3_1 > value3_2:
return 1
else:
return 2
# both are flush
if is_flush(hand1):
hand1 = [ x/10 for x in hand1 ]
hand2 = [ x/10 for x in hand2 ]
hand1.sort()
hand2.sort()
for i in range(0, 5):
if hand1[4-i] > hand2[4-i]:
return 1
elif hand2[4-i] > hand1[4-i]:
return 2
print "ERROR: no winner with hands: ", hand1, hand2 # should never be reached
# both are straight
if is_straight(hand1):
if high_card(hand1) > high_card(hand2):
return 1
else:
return 2
# both are three of a kind
if is_three_of_a_kind(hand1):
count1 = count_cards(hand1)
count2 = count_cards(hand2)
value3_1 = 0
value3_2 = 0
for c in count1:
if count1[c] == 3:
value3_1 = c
break
for c in count2:
if count2[c] == 3:
value3_2 = c
break
if value3_1 > value3_2:
return 1
else:
return 2
# both are two pairs
if is_two_pairs(hand1):
count1 = count_cards(hand1)
count2 = count_cards(hand2)
value2_1 = []
value1_1 = 0
value2_2 = []
value1_2 = 0
for c in count1:
if count1[c] == 2:
value2_1.append(c)
elif count1[c] == 1:
value1_1 = c
for c in count2:
if count2[c] == 2:
value2_2.append(c)
elif count1[c] == 1:
value1_2 = c
value2_1.sort()
value2_2.sort()
if value2_1[1] > value2_2[1]:
return 1
elif value2_2[1] > value2_1[1]:
return 2
elif value2_1[0] > value2_2[0]:
return 1
elif value2_2[0] > value2_1[0]:
return 2
elif value1_1 > value1_2:
return 1
else:
return 2
# both are one pair
if is_one_pair(hand1):
count1 = count_cards(hand1)
count2 = count_cards(hand2)
value2_1 = 0
value1_1 = []
value2_2 = 0
value1_2 = []
for c in count1:
if count1[c] == 2:
value2_1 = c
elif count1[c] == 1:
value1_1.append(c)
for c in count2:
if count2[c] == 2:
value2_2 = c
elif count2[c] == 1:
value1_2.append(c)
value1_1.sort()
value1_2.sort()
if value2_1 > value2_2:
return 1
elif value2_2 > value2_1:
return 2
elif high_card(value1_1) > high_card(value1_2):
return 1
else:
return 2
# both are high card
if high_card(hand1) > high_card(hand2):
return 1
else:
return 2
def rank(hand):
if is_royal_flush(hand):
return 10
if is_straight_flush(hand):
return 9
if is_four_of_a_kind(hand):
return 8
if is_full_house(hand):
return 7
if is_flush(hand):
return 6
if is_straight(hand):
return 5
if is_three_of_a_kind(hand):
return 4
if is_two_pairs(hand):
return 3
if is_one_pair(hand):
return 2
return 1 # high card
def winner(hand1, hand2):
if rank(hand1) > rank(hand2):
return 1
if rank(hand2) > rank(hand1):
return 2
return better_hand(hand1, hand2)
hands = []
f = open('054.txt', 'r')
for line in f:
line.rstrip('\n')
hands.append([ handvalue(x) for x in line.split(' ') ])
f.close()
count_win1 = 0
for h in hands:
hand1 = h[:5]
hand2 = h[5:]
if winner(hand1, hand2) == 1:
count_win1 += 1
print count_win1
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