"...return a positive integer, y, which is the xth term ..." in de description.
I have a single line of code in my solution -- how is yours so small!?!
Arrange Vector in descending order
Matrix with different incremental runs
Determine if input is a perfect number
Volume of a sphere given its surface area
Number construction III
Increasing sub-sequence (Level 1)
The sliding puzzle: 3D
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