Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
First non-zero element in each column
Set some matrix elements to zero
Permute diagonal and antidiagonal
Divisors of an integer
Create an n-by-n null matrix and fill with ones certain positions
Can I make a right triangle ?
Make a vector of prime numbers
Relative ratio of "1" in binary number
Vector of numbers divisible by 3
Number of odd and even elements within matrix
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