Remove all characters that are below a space in ASCII value.
Additional test cases have been added.
What is the problem about. Can the lazy creator give more explanation?
excellent !!!! hahahaha
Reverse the elements of an array
Who invented zero?
Check that number is whole number
Vectors counting by 2
Given a square and a circle, please decide whether the square covers more area.
given 3 sides, find area of this triangle
Size of this cup?
How to subtract?
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