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Words may not ``wrap around'' rows or columns, but horizontal and diagonal words may proceed from right to left (``backwards'').but horizontal and diagonal words may proceed from right to left (``backwards''). 但是实际数据允许从下到上。。和题意有偏差。。。。 不过ac自动机确实巧妙。。。 Followed by: Post your reply here: |
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