For given positive integer n, take factorial of that number. How many trailing zeros does it have?
Example: factorial(11) = 39916800
Its last zero-digit count is 2.
Optional: Can you make an efficient algorithm for a very large n?
Reverse the vector
03 - Matrix Variables 6
Find out sum of prime number till given number
Number of paths on a 3d grid
Number of paths on a n-dimensional grid
Equal temperament - musical notes and frequency
Fractal: area and perimeter of Koch snowflake
Under the sea: Snell's law & total internal reflection
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