55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
#!/usr/bin/phon3
|
|
|
|
def parse_line(line):
|
|
p1, _, p2 = line.split()
|
|
x1,y1 = p1.split(',')
|
|
x2,y2 = p2.split(',')
|
|
return int(x1), int(y1), int(x2), int(y2)
|
|
|
|
|
|
def part_1(input):
|
|
result = 0
|
|
field = [[0 for x in range(1000)] for y in range(1000)]
|
|
for line in input:
|
|
line = line.strip()
|
|
x1,y1,x2,y2 = parse_line(line)
|
|
if x1 == x2 or y1 == y2:
|
|
for x in range(min(x1,x2), max(x1,x2) + 1):
|
|
for y in range(min(y1,y2), max(y1,y2) + 1):
|
|
field[x][y] += 1
|
|
for x in range(1000):
|
|
for y in range(1000):
|
|
if field[x][y] >= 2:
|
|
result += 1
|
|
print("Part 1 result:", result)
|
|
|
|
|
|
def part_2(input):
|
|
result = 0
|
|
field = [[0 for x in range(1000)] for y in range(1000)]
|
|
for line in input:
|
|
line = line.strip()
|
|
x1,y1,x2,y2 = parse_line(line)
|
|
if x1 == x2 or y1 == y2:
|
|
for x in range(min(x1,x2), max(x1,x2) + 1):
|
|
for y in range(min(y1,y2), max(y1,y2) + 1):
|
|
field[x][y] += 1
|
|
elif abs(x1 - x2) == abs(y1 - y2):
|
|
dx = 1 if x1 < x2 else -1
|
|
dy = 1 if y1 < y2 else -1
|
|
for n in range(abs(x1 - x2) + 1):
|
|
field[x1 + (dx * n)][y1 + (dy * n)] += 1
|
|
for x in range(1000):
|
|
for y in range(1000):
|
|
if field[x][y] >= 2:
|
|
result += 1
|
|
print("Part 2 result:", result)
|
|
|
|
|
|
input = list()
|
|
with open('input.txt') as fp:
|
|
input = fp.readlines()
|
|
|
|
part_1(input)
|
|
part_2(input)
|