Recently I have encountered a difficult problem.
Given a matrix with size n * m (1 <= n, m <= 1500) consist of only 0 and 1, count the number of submatrix contains exactly k 1's. (0 <= k <= 6).
Could you help me to find an approach for this problem?
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| en2 |
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EternalFire | 2018-08-19 11:29:43 | 7 | Tiny change: 's problem?' -> 's problem? Thanks' | |
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EternalFire | 2018-08-19 11:28:10 | 274 | Initial revision (published) |
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