Sum all integers from 1 to 2^n
Make one big string out of two smaller strings
Create a vector whose elements depend on the previous element
Sophie Germain prime
07 - Common functions and indexing 3
Determine the number of odd integers in a vector
Create matrix of replicated elements
Calculate the probability that at least two people in a group share the same birthday.
It's race time! Write a faster function than the test suite call of unique().
It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().
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