Find the two most distant points
Given an unsigned integer x, find the largest y by rearranging the bits in x
the fly, the train, the second train, and their Zeno's paradox
Wheat on a chessboard pt 2
How many days does the cat take to climb out of the hole?
Compute the perimeter of an ellipse
Compute the largest number possible with the Brussels choice
Identify Wagstaff primes
Solve the Challenger puzzle
Count trailing zeros in a primorial
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