Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Back and Forth Rows
Find nearest prime number less than input number
Divisors of an integer
Create an n-by-n null matrix and fill with ones certain positions
Side of a rhombus
Return area of square
Create matrix with Gray code
Make a vector of prime numbers
Vector of numbers divisible by 3
Number of odd and even elements within matrix
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