Please remove excess space, limit one space between others, and no space before punctuation marks.
Additional test cases were provided.
Decode a simplified barcode
Change the sign of even index entries of the reversed vector
Basic arrays operations.
Find the index of n in magic(n)
Basic electricity in a dry situation
Minimum possible M of the maximum side of a triangle of given area A.
Given an unsigned integer x, find the largest y by rearranging the bits in x
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