The only valid excuse for cheating is when the test suite is broken since we cannot fix it. Kobayashi Maru.
Remove the two elements next to NaN value
Rotate a Matrix by 90 degrees
Sum the entries of each column of a matrix which satisfy a logical condition.
Cell Counting: How Many Draws?
Min of a Matrix
Create a matrix X, where each column is a shifted copy of the vector v
vectorization in N
Remove NaN ?
A quadrant matrix
First non-zero element in each column
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