you should ease up numerically on equality, so my solution works :)
The polar inertia is the sum of the squared distances of all points from the origin. https://en.wikipedia.org/wiki/Polar_moment_of_inertia
Test if a Number is a Palindrome without using any String Operations
Program an exclusive OR operation with logical operators
We love vectorized solutions. Problem 1 : remove the row average.
Make a vector of prime numbers
How many palindromes?
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