read question carefully!!!
Design test case carefully....
To avoid non-desired usages, like pi, it is necessary to not place pi in the function name. The function can be searched for forbidden function usages. There is an aspect of cat and mouse in Cody Challenges.
I agree. Disallow usage of PI for fairer scoring of your problem. Neat question!
Make a checkerboard matrix
Swap the first and last columns
Side of a rhombus
construct matrix with identical rows
Create a vector
Identify the heavier bag
Reverse the elements of an array
Find out missing number from a vector of 9 elements
RMS value from a set of observations
Accessing elements on the diagonal
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