Hello, Said BOUREZG. You do not have N×N matrices in every case, so it would be accurate to describe them as "N×M matrices". Or just "matrices". —DIV
Check if number exists in vector
Find out missing number from a vector of 9 elements
Find Out sum of principal diagonal element of given matrix
Change string to number
Stop a ZigZag scanning N*N Matrix at any diag you want
Find my secret function I
Find my secret function III
Find my secret function IV
Find the maxmum value of N*N Matrix
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