The problem description is broken(?) and you have mentioned the code in the test suite (you might want to remove that)
The test suite has had the "solution" code removed. The description was also cleaned up. (If it's not loading, simply reload the page.) I'm not sure how much these fixes help, though...
Specific Element Count
Add two numbers
Solving Quadratic Equations (Version 1)
remove nans fast
Create numeric palindromes and their square roots
Convert vector datasets to plot with imagesc instead of scatter
is the number happy?
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