I'm getting different answers.. can u give a more clear explanation?
Convert a vector into a number
Given a window, how many subsets of a vector sum positive
Determine the number of odd integers in a vector
Sum of series I
Get all prime factors
The last non-zero digit of a factorial
Number of paths on a n-dimensional grid
Under the sea: Snell's law & total internal reflection
Make a rainbow matrix (follow-up to checkerboard matrix)
Fractal: area and perimeter of Koch snowflake
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