19 lines
607 B
Python
19 lines
607 B
Python
#!/usr/bin/env python3
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import re
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from collections import defaultdict
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from itertools import repeat
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lines = (x.strip() for x in open("input.txt"))
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points = defaultdict(int)
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for line in lines:
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[x1, y1, x2, y2] = list(map(int, re.match(r"(\d+),(\d+) -> (\d+),(\d+)", line).groups()))
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for x, y in zip(
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range(x1, x2+(x1 <= x2)*2-1, (x1 <= x2)*2-1) if x1 != x2 else repeat(x1),
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range(y1, y2+(y1 <= y2)*2-1, (y1 <= y2)*2-1) if y1 != y2 else repeat(y1)
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):
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key = '{},{}'.format(x, y)
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points[key] = points[key] + 1
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print(sum(val >= 2 for val in points.values()))
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