Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Test if a Number is a Palindrome without using any String Operations
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Do Fast Fourier Transformation
Compute Fibonacci Number
Make a vector of prime numbers
Return area of square
Relative ratio of "1" in binary number
Volume and area of a sphere
Create matrix with Gray code
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