I'm getting different answers.. can u give a more clear explanation?
First non-zero element in each column
Is X a Fibonacci Matrix?
Check if number exists in vector
Replicate elements in vectors
Number of paths on a n-dimensional grid
The last non-zero digit of a factorial
Fractal: area and perimeter of Koch snowflake
Number of even divisors of a given number
Smallest n, for n! to have m trailing zero digits
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