advent/2020/3/solution.py

41 lines
772 B
Python

#!/usr/bin/python
fd = open("input", "r")
buf = []
lines = fd.readlines()
lenlines = len(lines)
for i in lines:
buf.append(i)
def counter(l, c):
cnt = 0
for i in l:
if i == c: cnt += 1
return cnt
def listmapper(l, x, y):
hlen = len(l[0]) - 1
return l[y][x % hlen]
print(x % hlen)
def getTrees(x, y):
try:
pos = (0, 0)
cnt = 0
while True:
pos = (pos[0] + x, pos[1] + y)
if listmapper(buf, pos[0], pos[1]) == '#': cnt += 1
except IndexError:
pass
return cnt
print(getTrees(3, 1))
print("--")
cnt = 1
for i in [[1, 1], [3, 1], [5, 1], [7, 1], [1, 2]]:
trees = getTrees(i[0], i[1])
cnt *= trees
print("{}, {} -- {} ({})".format(i[0], i[1], trees, cnt))