Samuel Enocsson
549f0c4382
🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
63 lines
1.4 KiB
Python
63 lines
1.4 KiB
Python
"""Day 1: Advent of Code 2025."""
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from aoc import read_lines, read_input
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def get_pointer(dial, move, pointer):
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dir = move[0]
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n = int(move[1:])
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if dir == 'L':
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pointer = (pointer - n) % len(dial)
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elif dir == 'R':
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pointer = (pointer + n) % len(dial)
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return dial[pointer]
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def part1(data):
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dial = range(100)
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password = 0
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pointer = 50
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for line in data:
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move = line.strip()
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pointer = get_pointer(dial, move, pointer)
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if pointer == 0:
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password += 1
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return password
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def get_new_index(dial, move, pointer):
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dir = move[0]
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n = int(move[1:])
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if dir == 'L':
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pointer = (pointer - n)
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elif dir == 'R':
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pointer = (pointer + n)
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return pointer
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def part2(data):
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dial = range(100)
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password = 0
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pointer = 50
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for line in data:
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move = line.strip()
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if len(move[1:]) > 2:
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n = int(move[1:][:-2])
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move = move[0] + move[-2:]
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password += n
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idx = get_new_index(dial, move, pointer)
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if pointer != 0 and (idx < 0 or idx > len(dial)):
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password += 1
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pointer = idx % len(dial)
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if pointer == 0:
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password += 1
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return password
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if __name__ == "__main__":
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data = read_lines(1) # or read_input(1), read_ints(1), read_grid(1)
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print(f"Part 1: {part1(data)}")
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print(f"Part 2: {part2(data)}")
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