It needs more than one test
agree! it is easy to cheat!
The only valid excuse for cheating is when the test suite is broken since we cannot fix it. Kobayashi Maru.
Number of Circles in a Number
Multiply 2 numbers
Create a Multiplication table matrix...
Side of a rhombus
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
vectorization in N
First non-zero element in each column
Duplicate each element of a vector.
Create a matrix X, where each column is a shifted copy of the vector v
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