Be careful, I've implemented the sieve, but not all versions of it are sufficiently fast to handle the biggest numbers in the test suite.
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This doesn't use primes(x),but still feels a little like cheating.
The whole point of using the sieve is not knowing which numbers are prime. So it is no different than sum(primes).
Remove all the consonants
Matrix indexing with two vectors of indices
Find nth maximum
Max of a Vector
MATLAB Basic: rounding
Numbers spiral diagonals (Part 1)
Without the French accent please!
Find Missing Number
BLOCK x3 (Version 1)
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