Find the sum of all the odd numbers in a matrix.
x = [2 3 5 7 1 4 11]
y = 27
Number of 1s in the Binary Representation of a Number
Project Euler: Problem 10, Sum of Primes
Determine Whether an array is empty
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Pernicious Anniversary Problem
interesting center of magic matrix
Find the index of n in magic(n)
execute the declaration in strings and return value
index of n^2 in magic(n)
union without repitition
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