The problem says the input is a positive integer but the first test inputs 0. In my code that caused r = 0/0 error. Please change the wording to "input is non-negative".
Find the numeric mean of the prime numbers in a matrix.
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matrix of natural number
Min of a Matrix
How many digits are there?
Return area of square
Can I make a right triangle ?
Volume and area of a sphere
Make a vector of prime numbers
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