2020牛客暑期多校训练营（第二场）F.Fake Maxpooling

2020牛客暑期多校训练营（第二场）F.Fake Maxpooling 题目连接html 题目描述 Given a matrix of size n × m n\times m n×m and an integer k {k} k, where A i , j = l c m ( i , j ) A_{i,j} = lcm(i, j) Ai,j​=lcm(i,j) ​ , the least co

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