Write a function that gives the mean digit (round towards nearest integer) of an input and positive number. For example:
x = 264 --> y = 4
x = 128 --> y = 4
Test Suite problem #4 has an incorrect value.
Test suite #4 is incorrect
Find perfect placement of non-rotating dominoes (easier)
Sum of first n terms of a harmonic progression
Calculate the area of a triangle between three points
Colon operator of two vectors
Approximate the inverse tangent by power series
Get the value 100
Say type of roots in quadratic equation
Alternating 1´s and 0´s in a matrix
Double the next!
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