34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
import aocd
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from dotenv import load_dotenv
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load_dotenv()
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puzzle_input = aocd.get_data(day=3, year=2022)
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rucksacks = puzzle_input.split('\n')
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total_priority = 0
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badges_priority = 0
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for r, rucksack in enumerate(rucksacks):
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# Part 1 =================================================
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half_1 = set(rucksack[:len(rucksack)//2])
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half_2 = set(rucksack[len(rucksack)//2:])
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(in_both,) = half_1.intersection(half_2)
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if in_both.islower():
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total_priority = total_priority + ord(in_both) - 96
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else:
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total_priority = total_priority + ord(in_both) - 38
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# Part 2 =================================================
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if (r+1)%3 == 0:
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rucksack_0prev = set(rucksack)
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rucksack_1prev = set(rucksacks[r-1])
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rucksack_2prev = set(rucksacks[r-2])
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(in_badge,) = rucksack_0prev & rucksack_1prev & rucksack_2prev
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if in_badge.islower():
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badges_priority = badges_priority + ord(in_badge) - 96
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else:
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badges_priority = badges_priority + ord(in_badge) - 38
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print(f'These elves are carrying a total of {total_priority:,} (prioritized?) things. That\'s a lotta stuff.')
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print(f'They\'re also v important with a total badge priority of {badges_priority:,}.') |