You're *very* close with this one. Remember that r is input as a double, not a string.
Find the sum of all the numbers of the input vector
Project Euler: Problem 4, Palindromic numbers
Back to basics 7 - Equal NaNs
We love vectorized solutions. Problem 1 : remove the row average.
Hackathon - String version
A (wrong) place for everything, and everything in its (wrong) place
Now 20% off!
If you prick us, do we not bleed?
Highest powers in factorials
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