Move python solutions to separate directory
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import re
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import sys
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TRIANGLE_RE = r"\s*(\d+)\s+(\d+)\s+(\d+)\n"
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def load_triangles(filename):
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triangles = []
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with open(filename, "r") as f:
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for line in f:
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match = re.fullmatch(TRIANGLE_RE, line)
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a, b, c = match.groups()
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a, b, c = int(a), int(b), int(c)
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triangles.append((a, b, c))
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return triangles
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# PART 1
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def is_valid(triangle):
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a, b, c = sorted(triangle)
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return a + b > c
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def count_valid(triangles):
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return len(list(filter(is_valid, triangles)))
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# PART 2
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def transform_triangles(triangles):
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new_triangles = []
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while triangles:
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t1, t2, t3 = triangles[:3]
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triangles = triangles[3:]
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new_triangles.extend(zip(t1, t2, t3))
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return new_triangles
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def main(filename):
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triangles = load_triangles(filename)
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print(f"Solutions for {filename}")
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valid = count_valid(triangles)
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print(f"Part 1: {valid}")
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valid_2 = count_valid(transform_triangles(triangles))
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print(f"Part 2: {valid_2}")
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if __name__ == "__main__":
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for filename in sys.argv[1:]:
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main(filename)
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