there is N X N matrix and each of cell has a number on it from 0 to 9.↵
i want to choose N numbers among them. two conditions should be satisfied.↵
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— you can choose at most 1 number from each row.↵
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— you can choose at most 1 number from each column.↵
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(here , N<=50.) ↵
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can i get some advices for this problem?
i want to choose N numbers among them. two conditions should be satisfied.↵
↵
— you can choose at most 1 number from each row.↵
↵
— you can choose at most 1 number from each column.↵
↵
(here , N<=50.) ↵
↵
↵
can i get some advices for this problem?