Add only the even numbers of x
x = [1 2 3 4 5]
the positive numbers are: 2 4, so their sum is 6
Distance walked 1D
pressure to dB?
Flip the main diagonal of a matrix
Find out sum of all elements of given Matrix
How many complete pizzas (number 2)
Add the odd numbers
Odd times even numbers in a matrix
sum of ASCII
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