35 lines
777 B
Python
35 lines
777 B
Python
def run_by(right, down):
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trees = 0
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print((right, down))
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with open("3.txt") as f:
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idx = 0
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for i, line in enumerate(f):
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line = line.strip()
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l = list(line)
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c = line[idx % len(line)]
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if i % down == 0:
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l[idx % len(l)] = "X" if c == "#" else "O"
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print(f"{idx}\t{len(line)}\t{''.join(l)}\t{line}")
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if i % down == 0:
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idx += right
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if i == 0: continue
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if i % down == 0:
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if c == "#":
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trees += 1
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print()
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return trees
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s = [
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run_by(1, 1),
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run_by(3, 1),
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run_by(5, 1),
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run_by(7, 1),
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run_by(1, 2),
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]
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print(s)
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import math
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print(math.prod(s))
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