Generate the following vector：
elseif n=2 then
q=[2 2 1];
elseif n=3 then
q=[3 3 3 2 2 1];
Did I do it right?
regexp hacks are not cool. Please disallow them in the Test Suite.
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Get the length of a given vector
Given a window, how many subsets of a vector sum positive
y equals x divided by 2
Find the repeating elements and repetitions of a row vector.
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