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aoc-2020/3/part1.py
2020-12-10 15:09:10 +02:00

16 lines
292 B
Python

trees = []
with open("input.txt", "r") as f:
trees = [line[:-1] for line in f.readlines()]
encounteredTrees = 0
maxRows = len(trees)
maxCols = len(trees[0])
x = 0
for y in range(1, maxRows):
x = (x + 3) % maxCols
if (trees[y][x] == "#"):
encounteredTrees += 1
print(encounteredTrees)