Calculate the area of an equilateral triangle of side x.
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yes nice problem
Given an unsigned integer x, find the largest y by rearranging the bits in x
Make one big string out of two smaller strings
First non-zero element in each column
Pernicious Anniversary Problem
Find the 9's Complement
Find a Pythagorean triple
Length of the hypotenuse
Side of a rhombus
Side of an equilateral triangle
Is this triangle right-angled?
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