63 lines
1.5 KiB
Python
63 lines
1.5 KiB
Python
"""
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https://adventofcode.com/2022/day/1
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"""
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from typing import Iterable
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def calories_sum(input_lines: Iterable[str])->Iterable[int]:
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# idk why this doesn't work with file inputs
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# string parsing is a bit tough here
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elves = [[]]
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for raw_line in input_lines:
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line = raw_line.strip()
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if len(line) == 0:
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elves.append([])
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continue
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elves[-1].append(int(line))
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return (sum(carry) for carry in elves if len(carry) > 0)
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def batch_and_exec(input_lines: Iterable[str])->int:
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return sorted(calories_sum(input_lines), reverse=True)[0]
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def top3_sum(input_lines: Iterable[str])->int:
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return sum(sorted(calories_sum(input_lines), reverse=True)[:3])
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if __name__ == "__main__":
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input_f = "2022/d1_input.txt"
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# First elf: [1000, 2000, 3000] -> 6000 calories
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# Second elf: [4000]
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# Third elf: [5000, 6000] -> 11000 calories
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# Fourth elf: [7000, 8000, 9000] -> 24000 calories
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# Fifth elf: [10000]
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# Want to know: which elf is carrying the most calories
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# in this case: 24000
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input = """
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1000
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2000
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3000
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4000
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5000
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6000
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7000
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8000
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9000
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10000
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"""
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output = batch_and_exec(input.splitlines())
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assert output == 24000, f"Got {output}, expected {24000}"
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ex_top3 = top3_sum(input.splitlines())
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assert ex_top3 == 45000, f"Got {ex_top3}, expected {45000}"
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with open(input_f) as inp:
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print(batch_and_exec(inp))
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with open(input_f) as inp:
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print(top3_sum(inp))
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