Add only the positive numbers of x
x = [-2 -1 0 1 2 3]
the positive numbers are: 1 2 3, so their sum is 6
Replace NaNs with the number that appears to its left in the row.
Find the sum of the elements in the "second" diagonal
What's size of TV?
BASICS - sum part of vector
Connect 4 (the boardgame)
All odd - all even
X plus binary inverted x
Magnitude of a vector
Odd times even numbers in a matrix
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