I'm getting different answers.. can u give a more clear explanation?
Distance walked 2D
Program an exclusive OR operation with logical operators
Is this triangle right-angled?
Divisible by 4
Under the sea: Snell's law & total internal reflection
The last non-zero digit of a factorial
Smallest n, for n! to have m trailing zero digits
Make a rainbow matrix (follow-up to checkerboard matrix)
Equal temperament - musical notes and frequency
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