Given a n-bits number x, what is the sum of x to the binary inverted version of x? (this might be more simple than you think :-) )
n = 8
x = 1 (00000001)
n-bit binary inverted x = 254 (11111110)
then y = 255
Change the sign of even index entries of the reversed vector
Find the logic
Is this triangle right-angled?
Divisible by 4
Remove multiples of N
Add the positive numbers
Magnitude of a vector
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