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Diffstat (limited to '2024/day8/solve.py')
| -rw-r--r-- | 2024/day8/solve.py | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/2024/day8/solve.py b/2024/day8/solve.py deleted file mode 100644 index 9dba99e..0000000 --- a/2024/day8/solve.py +++ /dev/null @@ -1,34 +0,0 @@ -lines = [] - -with open("input") as f: - for line in f: - lines.append(line.strip()) - -antennas: dict[str, list[tuple[int, int]]] = {} -for row_idx, line in enumerate(lines): - for col_idx, char in enumerate(line): - if char != ".": - if char not in antennas: - antennas[char] = [] - - antennas[char].append((row_idx, col_idx)) - -row_count = len(lines) -col_count = len(lines[0]) -antinodes: set[tuple[int, int]] = set() -for antenna_list in antennas.values(): - for idx, antenna1 in enumerate(antenna_list): - for antenna2 in antenna_list[idx + 1:]: - row_diff = antenna2[0] - antenna1[0] - col_diff = antenna2[1] - antenna1[1] - - pos1 = (antenna1[0] - row_diff, antenna1[1] - col_diff) - pos2 = (antenna2[0] + row_diff, antenna2[1] + col_diff) - - if 0 <= pos1[0] < row_count and 0 <= pos1[1] < col_count: - antinodes.add(pos1) - - if 0 <= pos2[0] < row_count and 0 <= pos2[1] < col_count: - antinodes.add(pos2) - -print(len(antinodes))
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