Test Suite problem #4 has an incorrect value.
Test suite #4 is incorrect
Magic is simple (for beginners)
Who invented zero?
index of n^2 in magic(n)
Reverse a matrix
Find out total non zero element of matrix
Alternating 1´s and 0´s in a matrix
Check if is a square
Ratio between sums of prime and non-prime numbers
Say type of roots in quadratic equation
Double the next and alternate sign
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