Andrew Kay kaya3
kaya3
/ single_cage_killer_sudoku.py
Created
August 23, 2025 09:37
Python script to try to construct a single-cage killer kropki-less sudoku, or prove there isn't one.
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| # See https://puzzling.stackexchange.com/q/132979/99846 | |
| # Converts from (x, y) coordinates to an index in `range(81)`. | |
| def xy_to_index(x, y): | |
| return x + 9 * y | |
| # Converts from an index in `range(81)` to (x, y) coordinates. | |
| def index_to_xy(i): | |
| return i % 9, i // 9 |