Modify the string to alternate between upper and lower case. For example,
Additional test cases have been added.
Vectorizing, too easy or too hard?
Return the first and last character of a string
Reindex a vector
convert matrix to single column
execute the declaration in strings and return value
union without repitition
index of n^2 in magic(n)
interesting center of magic matrix
Find the index of n in magic(n)
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