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!
Distance walked 1D
surface of a spherical planet
Find nearest prime number less than input number
select the primes of a vector
Find the solution of algebraic equation
Identify the heavier bag
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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