"...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!?!
Who Has the Most Change?
Duplicate each element of a vector.
Are all the three given point in the same line?
select the primes of a vector
Sum of odd numbers in a matrix
Increasing sub-sequence (Level 1)
The sliding puzzle: 15
Number construction I
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