Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x.
For example if x is 5, y should be 250 because:
5 (8-bit): 00000101
250 (8-bit): 11111010
Sort a list of complex numbers based on far they are from the origin.
Length of the hypotenuse
Matlab Basics - Set unwanted parts of a vector to zero
How many complete pizzas (number 2)
Add the positive numbers
sum of ASCII
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