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23.py
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197 lines (174 loc) · 7.31 KB
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elves = []
moves = {
'N': [0, -1],
'S': [0, 1],
'E': [1, 0],
'W': [-1, 0],
'NE': [1, -1],
'NW': [-1, -1],
'SE': [1, 1],
'SW': [-1, 1]
}
for y, line in enumerate(open("23.txt")):
for x, char in enumerate(line):
if char == '#':
elves.append([x, y])
ans2 = 0
def answer():
min_x = 10000000000
max_x = -10000000000
min_y = 10000000000
max_y = -10000000000
for elf in elves:
if elf[0] < min_x:
min_x = elf[0]
if elf[0] > max_x:
max_x = elf[0]
if elf[1] < min_y:
min_y = elf[1]
if elf[1] > max_y:
max_y = elf[1]
width = max_x - min_x + 1
height = max_y - min_y + 1
ans = (width * height) - len(elves) - 1
# print(ans)
moving = [True for _ in range(len(elves))]
while True:
moving = [False for _ in range(len(elves))]
proposed_moves = [[] for _ in range(len(elves))]
for i, elf in enumerate(elves):
# print(elf)
elf_moves = {key: [elf[0] + x[0], elf[1] + x[1]] for key, x in moves.items()}
for key, move in elf_moves.items():
if elves.count(move) > 0:
moving[i] = True
break
if moving[i]:
if elves.count(elf_moves['N']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['NW']) == 0:
proposed_moves[i] = elf_moves['N']
elif elves.count(elf_moves['S']) == 0 and elves.count(elf_moves['SE']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['S']
elif elves.count(elf_moves['W']) == 0 and elves.count(elf_moves['NW']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['W']
elif elves.count(elf_moves['E']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['SE']) == 0:
proposed_moves[i] = elf_moves['E']
if moving.count(True) == 0:
break
for i, move in enumerate(proposed_moves):
if proposed_moves.count(move) == 1:
continue
else:
for x, elem in enumerate(proposed_moves):
if move == elem:
proposed_moves[x] = []
proposed_moves[i] = []
for i, elf in enumerate(elves):
if len(proposed_moves[i]) == 2:
elves[i] = [proposed_moves[i][0], proposed_moves[i][1]]
answer()
ans2 += 1
moving = [False for _ in range(len(elves))]
proposed_moves = [[] for _ in range(len(elves))]
for i, elf in enumerate(elves):
moving[i] = False
# print(elf)
elf_moves = {key: [elf[0] + x[0], elf[1] + x[1]] for key, x in moves.items()}
for key, move in elf_moves.items():
if elves.count(move) > 0:
moving[i] = True
break
if moving[i]:
if elves.count(elf_moves['S']) == 0 and elves.count(elf_moves['SE']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['S']
elif elves.count(elf_moves['W']) == 0 and elves.count(elf_moves['NW']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['W']
elif elves.count(elf_moves['E']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['SE']) == 0:
proposed_moves[i] = elf_moves['E']
elif elves.count(elf_moves['N']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['NW']) == 0:
proposed_moves[i] = elf_moves['N']
if moving.count(True) == 0:
break
for i, move in enumerate(proposed_moves):
if proposed_moves.count(move) == 1:
continue
else:
for x, elem in enumerate(proposed_moves):
if move == elem:
proposed_moves[x] = []
proposed_moves[i] = []
for i, elf in enumerate(elves):
if len(proposed_moves[i]) == 2:
elves[i] = [proposed_moves[i][0], proposed_moves[i][1]]
answer()
ans2 += 1
moving = [False for _ in range(len(elves))]
proposed_moves = [[] for _ in range(len(elves))]
for i, elf in enumerate(elves):
moving[i] = False
# print(elf)
elf_moves = {key: [elf[0] + x[0], elf[1] + x[1]] for key, x in moves.items()}
for key, move in elf_moves.items():
if elves.count(move) > 0:
moving[i] = True
break
if moving[i]:
if elves.count(elf_moves['W']) == 0 and elves.count(elf_moves['NW']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['W']
elif elves.count(elf_moves['E']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['SE']) == 0:
proposed_moves[i] = elf_moves['E']
elif elves.count(elf_moves['N']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['NW']) == 0:
proposed_moves[i] = elf_moves['N']
elif elves.count(elf_moves['S']) == 0 and elves.count(elf_moves['SE']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['S']
if moving.count(True) == 0:
break
for i, move in enumerate(proposed_moves):
if proposed_moves.count(move) == 1:
continue
else:
for x, elem in enumerate(proposed_moves):
if move == elem:
proposed_moves[x] = []
proposed_moves[i] = []
for i, elf in enumerate(elves):
if len(proposed_moves[i]) == 2:
elves[i] = [proposed_moves[i][0], proposed_moves[i][1]]
answer()
ans2 += 1
moving = [False for _ in range(len(elves))]
proposed_moves = [[] for _ in range(len(elves))]
for i, elf in enumerate(elves):
moving[i] = False
# print(elf)
elf_moves = {key: [elf[0] + x[0], elf[1] + x[1]] for key, x in moves.items()}
for key, move in elf_moves.items():
if elves.count(move) > 0:
moving[i] = True
break
if moving[i]:
if elves.count(elf_moves['E']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['SE']) == 0:
proposed_moves[i] = elf_moves['E']
elif elves.count(elf_moves['N']) == 0 and elves.count(elf_moves['NE']) == 0 and elves.count(elf_moves['NW']) == 0:
proposed_moves[i] = elf_moves['N']
elif elves.count(elf_moves['S']) == 0 and elves.count(elf_moves['SE']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['S']
elif elves.count(elf_moves['W']) == 0 and elves.count(elf_moves['NW']) == 0 and elves.count(elf_moves['SW']) == 0:
proposed_moves[i] = elf_moves['W']
if moving.count(True) == 0:
break
for i, move in enumerate(proposed_moves):
if proposed_moves.count(move) == 1:
continue
else:
for x, elem in enumerate(proposed_moves):
if move == elem:
proposed_moves[x] = []
proposed_moves[i] = []
for i, elf in enumerate(elves):
if len(proposed_moves[i]) == 2:
elves[i] = [proposed_moves[i][0], proposed_moves[i][1]]
answer()
ans2 += 1
print(ans2)
ans2 += 1
print(ans2)