What are some more matrix-implementation based problems like Codeforces D.HaarFeatures?

Revision en1, by parash93, 2015-06-08 20:59:46

Can someone list some matrix-implementation type problems? I really find myself unable to solve them. Please note that I am not referring to the DP problems involving Matrices.

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en1 English parash93 2015-06-08 20:59:46 265 Initial revision (published)