My Advent of Code solutions in Python.
kevinyap.ca/2019/12/going-fast-in-advent-of-code/
advent-of-code
python
Add solution for 2023/01
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2023/day01.py
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2023/day01.py
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import fileinput
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DIGITS = {str(i): i for i in range(1, 10)}
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DIGIT_WORDS = {
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'one': 1,
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'two': 2,
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'three': 3,
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'four': 4,
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'five': 5,
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'six': 6,
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'seven': 7,
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'eight': 8,
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'nine': 9,
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}
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def calibration(line, dictionary):
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start = None
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end = None
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for i, c in enumerate(line):
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for key, val in dictionary.items():
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if line[i:].startswith(key):
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if start is None:
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start = val
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end = val
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return start * 10 + end
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part_1 = 0
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part_2 = 0
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for line in fileinput.input():
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part_1 += calibration(line, DIGITS)
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part_2 += calibration(line, DIGITS | DIGIT_WORDS)
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print("Part 1:", part_1)
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print("Part 2:", part_2)
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