Find a short way through given points. This is the travelling salesman problem.
But the solution should be a fast and small function.
This problem needs an update due to changes in scoring system in Cody
Remove all the words that end with "ain"
Test if a Number is a Palindrome without using any String Operations
Determine Whether an array is empty
Volume of a sphere given its surface area
dir with recursive subdirectory search
Generate a random matrix A of (1,-1)
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