Finding Perfect Squares
Are all the three given point in the same line?
Number of digits in an integer
Sum of series II
Produce a sine wave
Fractal: area and perimeter of Koch snowflake
Make a rainbow matrix (follow-up to checkerboard matrix)
Number of even divisors of a given number
Number of paths on a n-dimensional grid
Smallest n, for n! to have m trailing zero digits
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