Solved by dong_liu

#	Title	# Solved	Avg. Tries
28709	Wildcard Parentheses String	194	3.91
28707	Array Sorting	527	2.16
28706	Lucky Seven	472	2.11
28705	RLE Inversion Counting	81	2.32
28704	Sum=Product	121	3.33
28703	Double It	459	3.16
28702	FizzBuzz	4,936	1.60
28701	Sum of Cubes	3,402	1.36

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