Input(s) - any string
Output(n) - number of digits within string s
Additional test cases have been added.
Most nonzero elements in row
High school cafeteria
Create a square matrix of multiples
Magic is simple (for beginners)
subtract central cross
Mean and standard deviation of times in string
Create matrix with Gray code
Vector of numbers divisible by 3
Make a vector of prime numbers
Relative ratio of "1" in binary number
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