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41 lines
1.0 KiB
41 lines
1.0 KiB
import os
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import re
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from collections import Counter
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dir = os.path.dirname(os.path.abspath(__file__))
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with open(os.path.join(dir, './input.txt'), 'r') as input_file:
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lines = input_file.readlines()
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max_x = 0
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max_y = 0
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parse_pattern = re.compile("(\d+),(\d+) -> (\d+),(\d+)")
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map = Counter()
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for line in lines:
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matches = re.search(parse_pattern, line.strip())
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x1 = int(matches.group(1))
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y1 = int(matches.group(2))
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x2 = int(matches.group(3))
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y2 = int(matches.group(4))
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if x1 == x2:
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start = min(y1,y2)
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end = max(y1,y2)
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for y in range(start, end+1):
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key = f"{x1},{y}"
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map[key] = map[key] + 1
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elif y1 == y2:
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start = min(x1,x2)
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end = max(x1,x2)
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for x in range(start, end+1):
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key = f"{x},{y1}"
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map[key] = map[key] + 1
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count = 0
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for keys in map:
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if map[keys] >= 2:
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count = count + 1
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print(count)
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