August Long Challenge 2019 Challenge Problem

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Link:- CodeChef: Practical coding for everyone

The input format does not match with the sample input.

@alex_2oo8 @vijju123

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Each of the next four lines contains four space-separated integers. For each i and j (1 \leq i,j \leq 4), the j-th integer on the i-th line is B_{i,j}.

But why this is absent in sample input ?

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yes, matrix B is missing in sample input. We’ll update problem statement soon.

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