Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Back and Forth Rows
So many choices
Back to basics 23 - Triangular matrix
How many trades represent all the profit?
Create an n-by-n null matrix and fill with ones certain positions
Create matrix with Gray code
Volume and area of a sphere
Return area of square
Number of odd and even elements within matrix
Relative ratio of "1" in binary number
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