6 lines
322 B
Python
6 lines
322 B
Python
|
with open("input.txt","r") as f:
|
||
|
|
tmap = f.read().split('\n')
|
||
|
|
def trees(dx, dy, tmap=tmap):
|
||
|
|
return sum( [ line[i*dx % len(line)] == "#" for i, line in enumerate(tmap[::dy])] ) # array stepping AND list comprehension
|
||
|
|
print(f'Part 1: {trees(3,1)}')
|
||
|
|
print(f'Part 2: {trees(1,1)*trees(3,1)*trees(5,1)*trees(7,1)*trees(1,2)}')
|