Samuel Enocsson
549f0c4382
🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
14 lines
521 B
Python
14 lines
521 B
Python
# Parse the grid into a dictionary of (y,x):c
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data = open("inputs/day4.txt").readlines()
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H, W = len(data), len(data[0])-1
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grid = {(y,x):data[y][x] for y in range(H) for x in range(W)}
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# Part 1 - Find anything that says 'XMAS'
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TARGET = "XMAS"
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DELTAS = [(dy,dx) for dy in [-1,0,1] for dx in [-1,0,1] if (dx!=0 or dy!=0)]
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count = 0
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for y, x in grid:
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for dy,dx in DELTAS:
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candidate = "".join(grid.get((y+dy*i, x+dx*i),"") for i in range(len(TARGET)))
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count += candidate == TARGET
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print("Part 1:", count) |