41 lines
1.1 KiB
Python
Executable file
41 lines
1.1 KiB
Python
Executable file
#!/usr/bin/env python3
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# https://adventofcode.com/2024/day/2
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def get_lines(filename: str) -> list:
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with open(filename, "r") as file:
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return [line.strip() for line in file.readlines()]
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def part_one(lines: list) -> int:
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safe_reports = 0
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for line in lines:
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reports = [int(x) for x in line.split(" ")]
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# print(reports)
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increasing = True
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decreasing = True
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safe = True
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for i in range(len(reports) - 1):
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if reports[i] >= reports[i + 1]:
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increasing = False
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if reports[i] <= reports[i + 1]:
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decreasing = False
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distance = abs(reports[i] - reports[i + 1])
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if distance < 1 or distance > 3:
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safe = False
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pass
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if safe and (increasing or decreasing):
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safe_reports += 1
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return safe_reports
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def main():
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# lines = get_lines("sample-input.txt")
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lines = get_lines("input.txt")
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safe_reports = part_one(lines)
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print(f"Part 1: There are {safe_reports} safe reports.")
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if __name__ == '__main__':
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main()
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