zhangruoyu
zhangruoyu
/ 4x4 puzzle
Last active
January 4, 2016 08:39
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| def get_moves(status): | |
| pos, _ = status | |
| row, col = pos // 4, pos % 4 | |
| if row > 0: yield "U" | |
| if row < 3: yield "D" | |
| if col > 0: yield "L" | |
| if col < 3: yield "R" | |
| def copy_bit(v, b1, b2): | |
| if v & (1 << b1): |