Function names cannot begin with a number. Also, this is an extremely simple problem that has been posted many times. Please put more thought into problems before posting them.
I changed the problem slightly and added some more test cases.
Leading size is 0 !!!!!!!!!!!!
leading solution is zero ,what does this mean?
Swap the first and last columns
Longest Divisor Run
Return the first and last characters of a character array
Area of a triangle
Given a square and a circle, please decide whether the square covers more area.
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