Additional test cases have been added.
What is the problem about. Can the lazy creator give more explanation?
excellent !!!! hahahaha
Duplicate each element of a vector.
Insert zeros into vector
Generate a random matrix A of (1,-1)
Find the logic
Multiply a column by a row
given 3 sides, find area of this triangle
Given a square and a circle, please decide whether the square covers more area.
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