if the matrix has a zero, return true. else, return false
Increment a number, given its digits
First N Perfect Squares
Back to basics 12 - Input Arguments
Vectorize the digits of an Integer
ベクトル [1 2 3 4 5 6 7 8 9 10] の作成
Sum the rows
Make an identity matrix whose diagonal elements are 1:n
Where is the number that you want to find?
find the 'M'
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