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感觉求最小公倍数就没道理,而且行和列之间相互影响,为啥每行每列KMP求出最小覆盖就是对的?

Posted by jhljx at 2014-07-12 18:47:13 on Problem 2185
求了最小公倍数,为啥最小公倍数大于行数或列数的时候就要把它更新为行数或列数?

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