Test case x=[11 22 132] will cause some solutions here to fail.
Great catch! Test case added; and by "some solutions" you mean "All solutions except yours and mine."
Well done, Tim. I noticed the bug of my solution, but it did work for the old test suit, and I was too lazy to fix the bug.
Specific Element Count
Find a subset that divides the vector into equal halves
Given a matrix, swap the 2nd & 3rd columns
Side of an equilateral triangle
Get all prime factors
Points on a circle.
Kurchan 4x4 - Optimal score
There are 10 types of people in the world
How many days?!?
What digit is it?
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