All odd numbers in x are added, while all even numers are subtracted from this.
x = [1 2 3 4 5];
y = +(1+3+5)-(2+4) = 3
Make the vector [1 2 3 4 5 6 7 8 9 10]
Reverse Run-Length Encoder
Replace every 3rd element in a vector with 4
Find minimum and maximum elements of an array
Magnitude of a vector
Add the positive numbers
How many complete pizzas (number 2)
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