In addition to the weak test suite: The title of the problem says "Sinus function", yet the (incomplete) problem description mentions only "cosine" ??? Furthermore, should abs(cos(-x)) be assigned to y, or to z?
The test description has been updated. Also, new and improved test suites are added within the scope of the problem.
Please improve the test cases. Returning 1 and -1 is complete enough with these sloppy tests.
bad test suite
The test suite is not very rigorous...
Clean the List of Names
Remove the small words from a list of words.
Given an unsigned integer x, find the largest y by rearranging the bits in x
Symmetry of vector
Distance of the centroids of the balls
subtract central cross
frame of the matrix
Inverse of Hilbert matrix
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